Microsoft Win32k Privilege Escalation Vulnerability (CVE-2017-0263)
Severity: high · Patch status: patched · Since 2022-02-10 · CVE-2017-0263
Microsoft Win32k contains a privilege escalation vulnerability due to the Windows kernel-mode driver failing to properly handle objects in memory. CISA added CVE-2017-0263 to its Known Exploited Vulnerabilities catalog on Feb 10, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Aug 10, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch