CVE-2019-0880
Actively exploited. CVE-2019-0880 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls.
- Who is affected
- Deployments of Microsoft Windows that utilize splwow64.exe.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security updates from Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 82% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2019-0880: Microsoft Windows Privilege Escalation Vulnerabilitycisa-kev · 2022-05-23
External references
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