Microsoft Windows Privilege Escalation Vulnerability (CVE-2019-0880)
Severity: high · Patch status: patched · Since 2022-05-23 · CVE-2019-0880
A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls. An attacker who successfully exploited the vulnerability could elevate privileges on an affected system from low-integrity to medium-integrity. CISA added CVE-2019-0880 to its Known Exploited Vulnerabilities catalog on May 23, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jun 13, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch