cve 2026 65678

CVE-2026-65678 is a Windows Win32k elevation-of-privilege vulnerability disclosed by Microsoft on August 11, 2026. The advisory categorizes the flaw but initially leaves key operational details unreported, such as affected Windows releases and build ranges. For administrators, the immediate action is to treat the August Windows security updates as required deployment on managed endpoints. However, the advisory's existence should not be mistaken for a full technical explanation. Microsoft's Security Update Guide serves as the primary record for this CVE, and administrators should consult it for authoritative information. This tag covers discussions and guidance related to this specific vulnerability and its patching.