CVE-2026-55142
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk31th percentile - higher than 31% of all known CVEs
Summary
A numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Risk Assessment
The risk involves potential leakage of confidential data from Word documents, which could compromise information security within the organization.
Recommendation
It is recommended to immediately apply the security update provided by Microsoft for Microsoft Office Word.
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-2026-70300Critical
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
- CVE-2026-97001High
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-96996High
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-96995High
Stack-based buffer overflow in Microsoft Office Word allows an authorized attacker to elevate privileges locally.
- CVE-2026-88210High
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
- CVE-2026-88202High
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network. The issue stems from improper memory handling during document processing.
Original NVD description (English source)
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

