CVE-2026-83951
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk33th percentile - higher than 33% of all known CVEs
Summary
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Risk Assessment
The risk involves potential disclosure of sensitive data from Word documents, which could compromise the confidentiality of organizational information.
Recommendation
It is recommended to apply the relevant security updates provided by Microsoft for the Office suite.
Other vulnerabilities in Microsoft Office Word
See all- CVE-2026-41101High
Improper access control in Microsoft Office Word allows an authorized attacker to perform spoofing locally.
- CVE-2026-40364High
In Microsoft Office Word, a vulnerability related to access of resource using incompatible type ('type confusion') allows an unauthorized attacker to execute code locally.
- CVE-2026-20948High
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-20944High
An out-of-bounds read vulnerability in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-83949Medium
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVE-2026-81952High
Heap-based buffer overflow in Microsoft Office Word. Allows an unauthorized attacker to execute code over a network.
- CVE-2026-80090Medium
Out-of-bounds read in Microsoft Office Word. An unauthorized attacker can disclose information over a network.
- CVE-2026-80088Medium
Out-of-bounds read in Microsoft Office Word. An unauthorized attacker can disclose information over a network.
- CVE-2026-80085High
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
- CVE-2026-80080High
Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Original NVD description (English source)
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS