Jun 2026: Microsoft Word Information Disclosure Vulnerability
CVE-2026-45466 Published on June 9, 2026
Microsoft Word Information Disclosure Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Weakness Type
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Products Associated with CVE-2026-45466
Want to know whenever a new CVE is published for Microsoft products? stack.watch will email you.
Affected Versions
Microsoft 365 Apps for Enterprise:- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version - is affected.
- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version 16.0.0 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version - is affected.
- Version - is affected.