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By the Year

In 2021 there have been 36 vulnerabilities in Microsoft 365 Apps with an average score of 7.6 out of ten. Last year 365 Apps had 30 security vulnerabilities published. That is, 6 more vulnerabilities have already been reported in 2021 as compared to last year. However, the average CVE base score of the vulnerabilities in 2021 is greater by 0.06.

Year Vulnerabilities Average Score
2021 36 7.62
2020 30 7.56
2019 0 0.00
2018 0 0.00

It may take a day or so for new 365 Apps vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Microsoft 365 Apps Security Vulnerabilities

Microsoft Word Remote Code Execution Vulnerability

CVE-2021-34452 7.8 - High - July 16, 2021

Microsoft Word Remote Code Execution Vulnerability

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-34501 7.8 - High - July 14, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34518.

Microsoft Office Security Feature Bypass Vulnerability

CVE-2021-34469 8.1 - High - July 14, 2021

Microsoft Office Security Feature Bypass Vulnerability

AuthZ

Microsoft Outlook Remote Code Execution Vulnerability

CVE-2021-31949 7.8 - High - June 08, 2021

Microsoft Outlook Remote Code Execution Vulnerability

Microsoft Excel Remote Code Execution Vulnerability

CVE-2021-31939 7.8 - High - June 08, 2021

Microsoft Excel Remote Code Execution Vulnerability

Microsoft Office Graphics Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-31940 7.8 - High - June 08, 2021

Microsoft Office Graphics Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31941.

Microsoft Office Graphics Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-31941 7.8 - High - June 08, 2021

Microsoft Office Graphics Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31940.

Microsoft Office Information Disclosure Vulnerability

CVE-2021-31178 5.5 - Medium - May 11, 2021

Microsoft Office Information Disclosure Vulnerability

Information Disclosure

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-31179 7.8 - High - May 11, 2021

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31175, CVE-2021-31176, CVE-2021-31177.

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-31177 7.8 - High - May 11, 2021

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31175, CVE-2021-31176, CVE-2021-31179.

Dangling pointer

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-31176 7.8 - High - May 11, 2021

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31175, CVE-2021-31177, CVE-2021-31179.

Dangling pointer

Microsoft Office Graphics Remote Code Execution Vulnerability

CVE-2021-31180 7.8 - High - May 11, 2021

Microsoft Office Graphics Remote Code Execution Vulnerability

Microsoft Excel Information Disclosure Vulnerability

CVE-2021-31174 5.5 - Medium - May 11, 2021

Microsoft Excel Information Disclosure Vulnerability

Information Disclosure

Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability

CVE-2021-28455 8.8 - High - May 11, 2021

Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability

Command Injection

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-31175 7.8 - High - May 11, 2021

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31176, CVE-2021-31177, CVE-2021-31179.

Dangling pointer

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-28451 7.8 - High - April 13, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-28454.

Microsoft Outlook Memory Corruption Vulnerability

CVE-2021-28452 7.8 - High - April 13, 2021

Microsoft Outlook Memory Corruption Vulnerability

Buffer Overflow

Microsoft Word Remote Code Execution Vulnerability

CVE-2021-28453 7.8 - High - April 13, 2021

Microsoft Word Remote Code Execution Vulnerability

Microsoft Office Remote Code Execution Vulnerability

CVE-2021-28449 7.8 - High - April 13, 2021

Microsoft Office Remote Code Execution Vulnerability

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-28454 7.8 - High - April 13, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-28451.

Dangling pointer

Microsoft Excel Information Disclosure Vulnerability

CVE-2021-28456 5.5 - Medium - April 13, 2021

Microsoft Excel Information Disclosure Vulnerability

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-24108 7.8 - High - March 11, 2021

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-27057, CVE-2021-27059.

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-27053 7.8 - High - March 11, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-27054.

Microsoft Office ClickToRun Remote Code Execution Vulnerability

CVE-2021-27058 7.8 - High - March 11, 2021

Microsoft Office ClickToRun Remote Code Execution Vulnerability

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-27054 7.8 - High - March 11, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-27053.

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-27057 7.8 - High - March 11, 2021

Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-24108, CVE-2021-27059.

Microsoft PowerPoint Remote Code Execution Vulnerability

CVE-2021-27056 7.8 - High - March 11, 2021

Microsoft PowerPoint Remote Code Execution Vulnerability

Microsoft Visio Security Feature Bypass Vulnerability

CVE-2021-27055 7 - High - March 11, 2021

Microsoft Visio Security Feature Bypass Vulnerability

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-24070 7.8 - High - February 25, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-24067, CVE-2021-24068, CVE-2021-24069.

Dangling pointer

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-24069 7.8 - High - February 25, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-24067, CVE-2021-24068, CVE-2021-24070.

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-24067 7.8 - High - February 25, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-24068, CVE-2021-24069, CVE-2021-24070.

Dangling pointer

Microsoft Office Remote Code Execution Vulnerability

CVE-2021-1711 7.8 - High - January 12, 2021

Microsoft Office Remote Code Execution Vulnerability

Microsoft Word Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-1716 7.8 - High - January 12, 2021

Microsoft Word Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-1715.

Microsoft Word Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-1715 7.8 - High - January 12, 2021

Microsoft Word Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-1716.

Memory Corruption

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-1714 7.8 - High - January 12, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-1713.

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-1713 7.8 - High - January 12, 2021

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-1714.

Buffer Overflow

Microsoft Excel Security Feature Bypass Vulnerability

CVE-2020-17130 6.5 - Medium - December 10, 2020

Microsoft Excel Security Feature Bypass Vulnerability

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2020-17129 7.8 - High - December 10, 2020

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17122, CVE-2020-17123, CVE-2020-17125, CVE-2020-17127, CVE-2020-17128.

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2020-17128 7.8 - High - December 10, 2020

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17122, CVE-2020-17123, CVE-2020-17125, CVE-2020-17127, CVE-2020-17129.

Microsoft Excel Information Disclosure Vulnerability

CVE-2020-17126 5.5 - Medium - December 10, 2020

Microsoft Excel Information Disclosure Vulnerability

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2020-17125 7.8 - High - December 10, 2020

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17122, CVE-2020-17123, CVE-2020-17127, CVE-2020-17128, CVE-2020-17129.

Microsoft PowerPoint Remote Code Execution Vulnerability

CVE-2020-17124 7.8 - High - December 10, 2020

Microsoft PowerPoint Remote Code Execution Vulnerability

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2020-17123 7.8 - High - December 10, 2020

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17122, CVE-2020-17125, CVE-2020-17127, CVE-2020-17128, CVE-2020-17129.

Microsoft Outlook Information Disclosure Vulnerability

CVE-2020-17119 7.5 - High - December 10, 2020

Microsoft Outlook Information Disclosure Vulnerability

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2020-17064 7.8 - High - November 11, 2020

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17019, CVE-2020-17065, CVE-2020-17066.

Microsoft Word Security Feature Bypass Vulnerability

CVE-2020-17020 5.5 - Medium - November 11, 2020

Microsoft Word Security Feature Bypass Vulnerability

authentification

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

CVE-2020-17062 7.8 - High - November 11, 2020

Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

Microsoft Office Online Spoofing Vulnerability

CVE-2020-17063 5.4 - Medium - November 11, 2020

Microsoft Office Online Spoofing Vulnerability

Improper Input Validation

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique

CVE-2020-17065 7.8 - High - November 11, 2020

Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2020-17019, CVE-2020-17064, CVE-2020-17066.

Microsoft Excel Security Feature Bypass Vulnerability

CVE-2020-17067 7.8 - High - November 11, 2020

Microsoft Excel Security Feature Bypass Vulnerability

A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory

CVE-2020-16957 7.8 - High - October 16, 2020

A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory, aka 'Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability'.

A remote code execution vulnerability exists when the Base3D rendering engine improperly handles memory.An attacker who successfully exploited the vulnerability

CVE-2020-16918 7.8 - High - October 16, 2020

A remote code execution vulnerability exists when the Base3D rendering engine improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Base3D rendering engine handles memory., aka 'Base3D Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-17003.

An elevation of privilege vulnerability exists in the way

CVE-2020-16928 7.8 - High - October 16, 2020

An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) AppVLP handles certain files, aka 'Microsoft Office Click-to-Run Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-16934, CVE-2020-16955.

Improper Privilege Management

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory

CVE-2020-16929 7.8 - High - October 16, 2020

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-16930, CVE-2020-16931, CVE-2020-16932.

Dangling pointer

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory

CVE-2020-16930 7.8 - High - October 16, 2020

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-16929, CVE-2020-16931, CVE-2020-16932.

Memory Corruption

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory

CVE-2020-16931 7.8 - High - October 16, 2020

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-16929, CVE-2020-16930, CVE-2020-16932.

Use of Uninitialized Resource

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory

CVE-2020-16932 7.8 - High - October 16, 2020

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-16929, CVE-2020-16930, CVE-2020-16931.

Buffer Overflow

A security feature bypass vulnerability exists in Microsoft Word software when it fails to properly handle .LNK files

CVE-2020-16933 8.8 - High - October 16, 2020

A security feature bypass vulnerability exists in Microsoft Word software when it fails to properly handle .LNK files, aka 'Microsoft Word Security Feature Bypass Vulnerability'.

Improper Handling of Exceptional Conditions

An elevation of privilege vulnerability exists in the way

CVE-2020-16934 7.8 - High - October 16, 2020

An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) AppVLP handles certain files, aka 'Microsoft Office Click-to-Run Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-16928, CVE-2020-16955.

Improper Privilege Management

A remote code execution vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory

CVE-2020-16947 8.8 - High - October 16, 2020

A remote code execution vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory, aka 'Microsoft Outlook Remote Code Execution Vulnerability'.

Memory Corruption

A denial of service vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory

CVE-2020-16949 7.5 - High - October 16, 2020

A denial of service vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory, aka 'Microsoft Outlook Denial of Service Vulnerability'.

Memory Leak

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory

CVE-2020-16954 7.8 - High - October 16, 2020

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Remote Code Execution Vulnerability'.

Buffer Overflow

An elevation of privilege vulnerability exists in the way

CVE-2020-16955 7.8 - High - October 16, 2020

An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) AppVLP handles certain files, aka 'Microsoft Office Click-to-Run Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-16928, CVE-2020-16934.

Improper Input Validation

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory

CVE-2020-1563 7.8 - High - August 17, 2020

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory, aka 'Microsoft Office Remote Code Execution Vulnerability'.

Buffer Overflow

An information disclosure vulnerability exists when Microsoft Office improperly discloses the contents of its memory

CVE-2020-1445 5.5 - Medium - July 14, 2020

An information disclosure vulnerability exists when Microsoft Office improperly discloses the contents of its memory, aka 'Microsoft Office Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-1342.

Information Disclosure

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory

CVE-2020-0901 9.8 - Critical - May 21, 2020

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

Buffer Overflow

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