[ CVE-2019-0543 · Published 8 Jan 2019 ]
Microsoft Windows Privilege Escalation Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 5%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-15
- Known to be used in ransomware campaigns
[ Description ]Official description
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CISA: A privilege escalation vulnerability exists when Windows improperly handles authentication requests. An attacker who successfully exploited this vulnerability could run processes in an elevated context.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 5 Apr 2022): Apply updates per vendor instructions.
- Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- www.securityfocus.com/bid/106408Broken LinkThird Party AdvisoryVDB Entry
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0543PatchVendor Advisory
- www.exploit-db.com/exploits/46156ExploitThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource