Microsoft Office Macos 2021
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By the Year
In 2026 there have been 67 vulnerabilities in Microsoft Office Macos 2021 with an average score of 7.5 out of ten. Last year, in 2025 Office Macos 2021 had 117 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 0.28
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 67 | 7.52 |
| 2025 | 117 | 7.81 |
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
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45463
8.4 - High
- June 09, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Integer underflow
Jun 2026: Microsoft Excel Security Feature Bypass Vulnerability
CVE-2026-45459
3.3 - Low
- June 09, 2026
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
Protection Mechanism Failure
Jun 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-45457
7.8 - High
- June 09, 2026
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Out-of-bounds Read
Jun 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-45455
3.3 - Low
- June 09, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Jun 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-44822
8.2 - High
- June 09, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45645
7.8 - High
- June 09, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Jun 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-45643
7.8 - High
- June 09, 2026
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Jun 2026: Microsoft Word Information Disclosure Vulnerability
CVE-2026-45466
3.3 - Low
- June 09, 2026
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Heap-based Buffer Overflow
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45461
8.4 - High
- June 09, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jun 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-45460
4.7 - Medium
- June 09, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Buffer Over-read
Jun 2026: Microsoft Outlook and Word Remote Code Execution Vulnerability
CVE-2026-45458
8.4 - High
- June 09, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jun 2026: Microsoft Outlook and Word Remote Code Execution Vulnerability
CVE-2026-45456
8.4 - High
- June 09, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Object Type Confusion
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 Excel Remote Code Execution Vulnerability
CVE-2026-44823
7.8 - High
- June 09, 2026
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Numeric Truncation Error
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 Excel Remote Code Execution Vulnerability
CVE-2026-44820
7.8 - High
- June 09, 2026
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code 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 Excel Remote Code Execution Vulnerability
CVE-2026-44818
7 - High
- June 09, 2026
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Race Condition
Jun 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-44817
7.8 - High
- June 09, 2026
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Object Type Confusion
Jun 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-45486
7.8 - High
- June 09, 2026
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
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
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
Jun 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-45471
7.8 - High
- June 09, 2026
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45472
8.4 - High
- June 09, 2026
Heap-based buffer overflow 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
Jun 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-45469
7.8 - High
- June 09, 2026
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Integer underflow
May 2026: Microsoft Office Spoofing Vulnerability
CVE-2026-42832
7.7 - High
- May 12, 2026
Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.
Authorization
May 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-40367
8.4 - High
- May 12, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
May 2026: Microsoft Outlook and Word Remote Code Execution Vulnerability
CVE-2026-40361
8.4 - High
- May 12, 2026
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Dangling pointer
May 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-40362
7.8 - High
- May 12, 2026
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
May 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-40359
7.8 - High
- May 12, 2026
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
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-2026-42831
7.8 - 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: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-40366
8.4 - High
- May 12, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office Word 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: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-40364
8.4 - High
- May 12, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Object Type Confusion
May 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-40360
7.8 - High
- May 12, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Apr 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-33114
8.4 - High
- April 14, 2026
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Apr 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-33115
8.4 - High
- April 14, 2026
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
Apr 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-32199
7.8 - High
- April 14, 2026
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Apr 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-32198
7.8 - High
- April 14, 2026
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Apr 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-32197
7.8 - High
- April 14, 2026
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
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
Apr 2026: Microsoft Word Information Disclosure Vulnerability
CVE-2026-33822
6.1 - Medium
- April 14, 2026
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Apr 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-33095
7.8 - High
- April 14, 2026
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
Apr 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-32189
7.8 - High
- April 14, 2026
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Dangling pointer
Apr 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-32188
7.1 - High
- April 14, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
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 Excel Remote Code Execution Vulnerability
CVE-2026-26108
7.8 - High
- March 10, 2026
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Mar 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-26109
8.4 - High
- March 10, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds Read
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