Microsoft Office Macos 2021
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By the Year
In 2026 there have been 213 vulnerabilities in Microsoft Office Macos 2021 with an average score of 7.2 out of ten. Last year, in 2025 Office Macos 2021 had 117 security vulnerabilities published. That is, 96 more vulnerabilities have already been reported in 2026 as compared to last year. Last year, the average CVE base score was greater by 0.62
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 213 | 7.18 |
| 2025 | 117 | 7.81 |
| 2024 | 0 | 0.00 |
| 2023 | 3 | 7.80 |
| 2022 | 0 | 0.00 |
| 2021 | 2 | 7.80 |
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
Aug 2026: Microsoft Word Information Disclosure Vulnerability
CVE-2026-70105
6.5 - Medium
- August 20, 2026
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Improper Input Validation
Aug 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-68817
7.8 - High
- August 11, 2026
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Stack Overflow
Aug 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-68814
7.8 - High
- August 11, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds Read
Aug 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-68812
7.8 - High
- August 11, 2026
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-68804
7.8 - High
- August 11, 2026
Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Numeric Truncation Error
Aug 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-68805
7.8 - High
- August 11, 2026
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-68801
7.8 - High
- August 11, 2026
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-68803
7.8 - High
- August 11, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Object Type Confusion
Aug 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-68799
5.5 - Medium
- August 11, 2026
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Use of Uninitialized Resource
Aug 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-68797
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-68798
7.8 - High
- August 11, 2026
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Office Graphics Component Information Disclosure Vulnerability
CVE-2026-66809
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Office Word Information Disclosure Vulnerability
CVE-2026-66810
5.5 - Medium
- August 11, 2026
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Office Graphics Component Remote Code Execution Vulnerability
CVE-2026-66807
7.8 - High
- August 11, 2026
Stack-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Stack Overflow
Aug 2026: Microsoft Office Word Information Disclosure Vulnerability
CVE-2026-64917
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Office Word Remote Code Execution Vulnerability
CVE-2026-64915
7.8 - High
- August 11, 2026
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-64911
7.8 - High
- August 11, 2026
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.
Integer Overflow or Wraparound
Aug 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-64909
7.8 - High
- August 11, 2026
Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
Integer underflow
Aug 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-64910
7.8 - High
- August 11, 2026
Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.
Untrusted Pointer Dereference
Aug 2026: Microsoft Office Word Remote Code Execution Vulnerability
CVE-2026-64907
7.8 - High
- August 11, 2026
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Stack Overflow
Aug 2026: Microsoft Office Word Remote Code Execution Vulnerability
CVE-2026-64905
7.8 - High
- August 11, 2026
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Buffer Over-read
Aug 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-64904
7.8 - High
- August 11, 2026
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Object Type Confusion
Aug 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-64899
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-64903
7.8 - High
- August 11, 2026
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.
Integer Overflow or Wraparound
Aug 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-64898
7.8 - High
- August 11, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-63533
7.8 - High
- August 11, 2026
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-63532
7.8 - High
- August 11, 2026
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.
Integer Overflow or Wraparound
Aug 2026: Microsoft Office Word Information Disclosure Vulnerability
CVE-2026-63530
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Office Word Information Disclosure Vulnerability
CVE-2026-63531
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Office Word Remote Code Execution Vulnerability
CVE-2026-63527
7.8 - High
- August 11, 2026
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Stack Overflow
Aug 2026: Microsoft Office Word Information Disclosure Vulnerability
CVE-2026-63528
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Office Graphics Component Remote Code Execution Vulnerability
CVE-2026-63526
7.8 - High
- August 11, 2026
Stack-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Stack Overflow
Aug 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-63524
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Office Graphics Component Information Disclosure Vulnerability
CVE-2026-62842
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-58651
7.8 - High
- August 11, 2026
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Aug 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-70328
6.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Aug 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-70327
6.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Aug 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-70323
5.5 - Medium
- August 11, 2026
Improper input validation in Microsoft Office allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Powerpoint Information Disclosure Vulnerability
CVE-2026-70322
5.5 - Medium
- August 11, 2026
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Powerpoint Information Disclosure Vulnerability
CVE-2026-70320
5.5 - Medium
- August 11, 2026
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Microsoft Office Word Information Disclosure Vulnerability
CVE-2026-70319
5.5 - Medium
- August 11, 2026
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Powerpoint Information Disclosure Vulnerability
CVE-2026-70325
5.5 - Medium
- August 11, 2026
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-70314
5.5 - Medium
- August 11, 2026
Improper input validation in Microsoft Office allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-70317
5.5 - Medium
- August 11, 2026
Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.
Use of Uninitialized Resource
Aug 2026: Microsoft Excel Information Disclosure Vulnerability
CVE-2026-70318
5.5 - Medium
- August 11, 2026
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Microsoft Office Information Disclosure Vulnerability
CVE-2026-70315
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Powerpoint Information Disclosure Vulnerability
CVE-2026-70316
5.5 - Medium
- August 11, 2026
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Microsoft Word Information Disclosure Vulnerability
CVE-2026-70310
5.5 - Medium
- August 11, 2026
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Aug 2026: Microsoft PowerPoint Remote Code Execution Vulnerability
CVE-2026-70313
7.8 - High
- August 11, 2026
Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.
Improper Input Validation
Aug 2026: Microsoft Office Word Remote Code Execution Vulnerability
CVE-2026-70311
7.8 - High
- August 11, 2026
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
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