CVE-2019-0543
microsoft windows 10 1507, microsoft windows 10 1607, microsoft windows 10 1703
Published 8 Jan 2019 · updated 17 Jun 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 15 Mar 2022, with a remediation deadline of 5 Apr 2022 for US federal agencies. It has been used in ransomware campaigns.
Required action: Apply updates per vendor instructions.
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.
References
- www.securityfocus.com/bid/106408 · Broken Link, Third Party Advisory, VDB Entry
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0543 · Patch, Vendor Advisory
- www.exploit-db.com/exploits/46156/ · Exploit, Third Party Advisory, VDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0543 · US Government Resource