Microsoft Office 2016
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By the Year
In 2026 there have been 47 vulnerabilities in Microsoft Office 2016 with an average score of 7.2 out of ten. Last year, in 2025 Office 2016 had 38 security vulnerabilities published. That is, 9 more vulnerabilities have already been reported in 2026 as compared to last year. Last year, the average CVE base score was greater by 0.80
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 47 | 7.18 |
| 2025 | 38 | 7.98 |
| 2024 | 3 | 7.27 |
| 2023 | 0 | 0.00 |
| 2022 | 0 | 0.00 |
| 2021 | 0 | 0.00 |
| 2020 | 1 | 7.80 |
It may take a day or so for new Office 2016 vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Office 2016 Security Vulnerabilities
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55121
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-56195
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-56192
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-50665
7.8 - High
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55042
5.5 - Medium
- July 14, 2026
Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.
Use of Uninitialized Resource
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55139
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55140
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55056
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55057
5.5 - Medium
- July 14, 2026
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.
Integer Overflow or Wraparound
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55035
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55129
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55049
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55045
8.4 - High
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55047
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55028
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55027
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55026
6.2 - Medium
- July 14, 2026
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.
Integer Overflow or Wraparound
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55125
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-55023
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55022
7.8 - High
- July 14, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Object Type Confusion
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55018
7.8 - High
- July 14, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-50467
7.8 - High
- July 14, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-55017
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-50301
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-50314
7.8 - High
- July 14, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jul 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-47290
7.8 - High
- July 14, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jul 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-56193
7.1 - High
- July 14, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45463
8.4 - High
- June 09, 2026
Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
Integer underflow
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45645
7.8 - High
- June 09, 2026
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45461
8.4 - High
- June 09, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-44824
7.8 - High
- June 09, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jun 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-44821
5.5 - Medium
- June 09, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-44819
7.8 - High
- June 09, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jun 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-45485
3.3 - Low
- June 09, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45474
8.4 - High
- June 09, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45472
8.4 - High
- June 09, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45475
7.8 - High
- June 09, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
May 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-40358
8.4 - High
- May 12, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
May 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-40363
8.4 - High
- May 12, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
May 2026: Windows Rich Text Edit Elevation of Privilege Vulnerability
CVE-2026-21530
6.7 - Medium
- May 12, 2026
Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.
Double-free
Apr 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-32190
8.4 - High
- April 14, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Mar 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-26110
8.4 - High
- March 10, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Object Type Confusion
Mar 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-26113
8.4 - High
- March 10, 2026
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Jan 2026: Microsoft Office Security Feature Bypass Vulnerability
CVE-2026-21509
7.8 - High
- January 26, 2026
Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.
Reliance on Untrusted Inputs in a Security Decision
Jan 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-20952
8.4 - High
- January 13, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jan 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-20953
8.4 - High
- January 13, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jan 2026: Microsoft Office Click-To-Run Remote Code Execution Vulnerability
CVE-2026-20943
7 - High
- January 13, 2026
Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally.
Untrusted Path
Dec 2025: Microsoft Office Remote Code Execution Vulnerability
CVE-2025-62557
8.4 - High
- December 09, 2025
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Dec 2025: Microsoft Office Remote Code Execution Vulnerability
CVE-2025-62554
8.4 - High
- December 09, 2025
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Object Type Confusion
Nov 2025: Microsoft Office Remote Code Execution Vulnerability
CVE-2025-62199
7.8 - High
- November 11, 2025
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
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