Microsoft Office Macos 2021
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By the Year
In 2026 there have been 14 vulnerabilities in Microsoft Office Macos 2021 with an average score of 7.6 out of ten. Last year, in 2025 Office Macos 2021 had 68 security vulnerabilities published. If vulnerabilities keep coming in at the current rate, it appears that number of security vulnerabilities in Office Macos 2021 in 2026 could surpass last years number. Last year, the average CVE base score was greater by 0.19
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 14 | 7.58 |
| 2025 | 68 | 7.76 |
It may take a day or so for new Office Macos 2021 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 Macos 2021 Security Vulnerabilities
Feb 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-21261
5.5 - Medium
- February 10, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Feb 2026: Microsoft Outlook Spoofing Vulnerability
CVE-2026-21511
7.5 - High
- February 10, 2026
Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
Marshaling, Unmarshaling
Feb 2026: Microsoft Word Security Feature Bypass Vulnerability
CVE-2026-21514
7.8 - High
- February 10, 2026
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
Reliance on Untrusted Inputs in a Security Decision
Feb 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-21258
5.5 - Medium
- February 10, 2026
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Jan 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20957
7.8 - High
- January 13, 2026
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Integer underflow
Jan 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20950
7.8 - High
- January 13, 2026
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
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 Excel Security Feature Bypass Vulnerability
CVE-2026-20949
7.8 - High
- January 13, 2026
Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
Authorization
Jan 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-20948
7.8 - High
- January 13, 2026
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Jan 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20956
7.8 - High
- January 13, 2026
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
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 Excel Remote Code Execution Vulnerability
CVE-2026-20955
7.8 - High
- January 13, 2026
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Jan 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20946
7.8 - High
- January 13, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds Read
Jan 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-20944
8.4 - High
- January 13, 2026
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Out-of-bounds Read
Dec 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62560
7.8 - High
- December 09, 2025
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Dec 2025: Microsoft Word Remote Code Execution Vulnerability
CVE-2025-62559
7.8 - High
- December 09, 2025
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
Dec 2025: Microsoft Word Remote Code Execution Vulnerability
CVE-2025-62558
7.8 - High
- December 09, 2025
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
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 Excel Remote Code Execution Vulnerability
CVE-2025-62556
7.8 - High
- December 09, 2025
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Dec 2025: Microsoft Word Remote Code Execution Vulnerability
CVE-2025-62555
7 - High
- December 09, 2025
Use after free in Microsoft Office Word 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
Dec 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62553
7.8 - High
- December 09, 2025
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Dec 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62564
7.8 - High
- December 09, 2025
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds Read
Dec 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62563
7.8 - High
- December 09, 2025
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Dec 2025: Microsoft Outlook Remote Code Execution Vulnerability
CVE-2025-62562
7.8 - High
- December 09, 2025
Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.
Dangling pointer
Dec 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62561
7.8 - High
- December 09, 2025
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Nov 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62203
7.8 - High
- November 11, 2025
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Nov 2025: Microsoft Excel Information Disclosure Vulnerability
CVE-2025-62202
7.1 - High
- November 11, 2025
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Nov 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62201
7.8 - High
- November 11, 2025
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Nov 2025: GDI+ Remote Code Execution Vulnerability
CVE-2025-60724
9.8 - Critical
- November 11, 2025
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
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
Nov 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-60727
7.8 - High
- November 11, 2025
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds Read
Nov 2025: Microsoft Excel Information Disclosure Vulnerability
CVE-2025-60726
7.1 - High
- November 11, 2025
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Oct 2025: Microsoft Excel Information Disclosure Vulnerability
CVE-2025-59232
7.1 - High
- October 14, 2025
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Oct 2025: Microsoft Office Remote Code Execution Vulnerability
CVE-2025-59227
7.8 - High
- October 14, 2025
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59225
7.8 - High
- October 14, 2025
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59224
7.8 - High
- October 14, 2025
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Word Remote Code Execution Vulnerability
CVE-2025-59222
7.8 - High
- October 14, 2025
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59223
7.8 - High
- October 14, 2025
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Word Remote Code Execution Vulnerability
CVE-2025-59221
7 - High
- October 14, 2025
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59236
8.4 - High
- October 14, 2025
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Excel Information Disclosure Vulnerability
CVE-2025-59235
7.1 - High
- October 14, 2025
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Oct 2025: Microsoft Office Remote Code Execution Vulnerability
CVE-2025-59234
7.8 - High
- October 14, 2025
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59231
7.8 - High
- October 14, 2025
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Object Type Confusion
Oct 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-59233
7.8 - High
- October 14, 2025
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Object Type Confusion
Sep 2025: Microsoft Office Remote Code Execution Vulnerability
CVE-2025-54910
8.4 - High
- September 09, 2025
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Sep 2025: Microsoft Excel Information Disclosure Vulnerability
CVE-2025-54901
5.5 - Medium
- September 09, 2025
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Buffer Over-read
Sep 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-54900
7.8 - High
- September 09, 2025
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Sep 2025: Microsoft Office Remote Code Execution Vulnerability
CVE-2025-54906
7.8 - High
- September 09, 2025
Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Sep 2025: Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-54904
7.8 - High
- September 09, 2025
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
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