CVE-2015-1701
microsoft windows 2003 server, microsoft windows 7, microsoft windows server 2008
Published 21 Apr 2015 · updated 14 Aug 2026 · Analyzed
7.8 High · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 3 Mar 2022, with a remediation deadline of 24 Mar 2022 for US federal agencies. It has been used in ransomware campaigns.
Required action: Apply updates per vendor instructions.
Description
Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 allows local users to gain privileges via a crafted application, as exploited in the wild in April 2015, aka "Win32k Elevation of Privilege Vulnerability."
References
- seclists.org/fulldisclosure/2020/May/34 · Broken Link, Mailing List, Third Party Advisory
- twitter.com/symantec/statuses/590208710527549440 · Press/Media Coverage
- www.securityfocus.com/bid/74245 · Broken Link, Third Party Advisory, VDB Entry
- www.securitytracker.com/id/1032155 · Broken Link, Third Party Advisory, VDB Entry
- docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-051 · Patch, Vendor Advisory
- www.exploit-db.com/exploits/37049/ · Exploit, Third Party Advisory, VDB Entry
- www.exploit-db.com/exploits/37367/ · Exploit, Third Party Advisory, VDB Entry
- www.fireeye.com/blog/threat-research/2015/04/probable_apt28_useo.html · Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1701 · US Government Resource