Microsoft Word 2016
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By the Year
In 2026 there have been 40 vulnerabilities in Microsoft Word 2016 with an average score of 7.0 out of ten. Last year, in 2025 Word 2016 had 20 security vulnerabilities published. That is, 20 more vulnerabilities have already been reported in 2026 as compared to last year. Last year, the average CVE base score was greater by 0.61
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 40 | 6.96 |
| 2025 | 20 | 7.57 |
| 2024 | 0 | 0.00 |
| 2023 | 0 | 0.00 |
| 2022 | 0 | 0.00 |
| 2021 | 1 | 7.80 |
| 2020 | 0 | 0.00 |
| 2019 | 1 | 0.00 |
It may take a day or so for new Word 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 Word 2016 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 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 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-2026-66806
5.5 - Medium
- August 11, 2026
Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
off-by-five
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 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 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 Word Remote Code Execution Vulnerability
CVE-2026-63525
7.8 - High
- August 11, 2026
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Numeric Truncation Error
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 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 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
Aug 2026: Microsoft Office Word Information Disclosure Vulnerability
CVE-2026-63521
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
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55130
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55128
7.8 - High
- July 14, 2026
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
Jul 2026: Microsoft Word Information Disclosure Vulnerability
CVE-2026-55142
5.5 - Medium
- July 14, 2026
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Numeric Truncation Error
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55134
7.8 - High
- July 14, 2026
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Stack Overflow
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55132
7.8 - High
- July 14, 2026
Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Double-free
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55038
7.8 - High
- July 14, 2026
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Stack Overflow
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55055
7.8 - High
- July 14, 2026
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Stack Overflow
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55127
7.8 - High
- July 14, 2026
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Jul 2026: Microsoft Word Information Disclosure Vulnerability
CVE-2026-55124
5.5 - Medium
- July 14, 2026
Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Improper Validation of Specified Type of Input
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55033
7.8 - High
- July 14, 2026
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Integer Overflow or Wraparound
Jul 2026: Microsoft Word Remote Code Execution Vulnerability
CVE-2026-55032
7.8 - High
- July 14, 2026
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
Jul 2026: Microsoft Word Information Disclosure Vulnerability
CVE-2026-55050
5.5 - Medium
- July 14, 2026
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
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 Outlook and Word Remote Code Execution Vulnerability
CVE-2026-45458
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 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
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 Word Information Disclosure Vulnerability
CVE-2026-40421
4.3 - Medium
- May 12, 2026
Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
External Control of File Name or Path
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 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 Word Information Disclosure Vulnerability
CVE-2026-35440
5.5 - Medium
- May 12, 2026
Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Files or Directories Accessible to External Parties
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
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
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 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 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
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 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
Sep 2025: Microsoft Word Information Disclosure Vulnerability
CVE-2025-54905
7.1 - High
- September 09, 2025
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Untrusted Pointer Dereference
Aug 2025: Microsoft Word Information Disclosure Vulnerability
CVE-2025-53736
6.8 - Medium
- August 12, 2025
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Buffer Over-read
Aug 2025: Microsoft Word Remote Code Execution Vulnerability
CVE-2025-53738
7.8 - High
- August 12, 2025
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Dangling pointer
Aug 2025: Microsoft Word Remote Code Execution Vulnerability
CVE-2025-53733
8.4 - High
- August 12, 2025
Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Incorrect Conversion between Numeric Types
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