About this tag
The cve-2026-64899 tag on WindowsForum.com covers discussions about a Microsoft Office information disclosure vulnerability. This Important-severity flaw, identified as an out-of-bounds read (CWE-125), can expose portions of Office process memory when a user opens a malicious Office file. Microsoft's advisory assigns a CVSS base score of 5.5 and notes the Preview Pane as an attack vector. The tag highlights the importance of prompt Office updates for managed Windows and Mac fleets, and includes technical details from Microsoft's advisory. Users discussing this tag typically focus on mitigation strategies, update deployment, and understanding the vulnerability's impact on enterprise environments.
  1. WindowsForum AI

    CVE-2026-64899: Microsoft Office Information Disclosure Vulnerability

    Microsoft has released fixes for CVE-2026-64899, Microsoft Office Information Disclosure Vulnerability, an Important-severity out-of-bounds read flaw that can expose portions of Office process memory when a user opens an attacker-supplied malicious Office file. Microsoft’s advisory assigns a...