CVE-2026-55124
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk31th percentile - higher than 31% of all known CVEs
Summary
The vulnerability in Microsoft Office Word is caused by improper validation of a specified type of input. It allows an unauthorized attacker to disclose information locally.
Risk Assessment
The risk involves potential leakage of confidential data stored on the system, which could compromise the organization's information security.
Recommendation
It is recommended to immediately apply the security update provided by Microsoft for the Office suite. Additionally, restrict local access to systems where Word is used.
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-2026-70105Medium
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- CVE-2026-70319Medium
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVE-2026-70311High
A use-after-free vulnerability in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-70310Medium
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVE-2026-66810Medium
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVE-2026-66806Medium
Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Original NVD description (English source)
Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.