Dass167 Patched High Quality May 2026

Of the 167 flaws addressed, Microsoft classified , with nearly all others designated as high-risk. Key vulnerabilities in this "Dass167" update cycle included:

: A Windows Defender privilege escalation bug. This vulnerability gained notoriety after its details were publicly leaked by a researcher following a delayed response from Microsoft. dass167 patched

: A high-priority zero-day flaw that was actively exploited in the wild at the time of the patch release. Of the 167 flaws addressed, Microsoft classified ,

: A security update for Dell SupportAssist Enterprise that addressed vulnerabilities in third-party components. The next major patch cycle is scheduled for May 12, 2026 . Of the 167 flaws addressed