CVE-2017-0263
Microsoft Win32k Privilege Escalation Vulnerability
Microsoft Win32kOperating systems
CVSS
7.8HighExploit odds (EPSS)10.0%Chance of exploitation activity in the next 30 days, higher than 95% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
- 12 May 2017, 14:00 UTCPublishedCVE List
- 26 Mar 2018Exploit code publicExploit-DB
- 10 Feb 2022Added to CISA KEVCISA KEV
Public exploit code and templates 1
- Local exploitMicrosoft Windows Manager (7 x86) - Menu Management Component UAF Privilege Elevation 26 Mar 2018Exploit-DB
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
Microsoft Win32k contains a privilege escalation vulnerability due to the Windows kernel-mode driver failing to properly handle objects in memory.
Text from CVE List
Affected versions 1
- Microsoft Windowsaffected: Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016CVE List
References 5
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263Advisoryvia CVE List
- xiaodaozhi.com/exploit/117.htmlExploitvia CVE List
- exploit-db.com/exploits/44478/Exploitvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2017-0263Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0263Referencevia CVE List