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CVE-2016-7255Microsoft Win32k Privilege Escalation Vulnerability
The kernel-mode drivers in Microsoft Windows Vista SP2, 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, and 1607, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."
7.8 HIGHEPSS 80.96%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.8 | HIGH | 3.1NVD | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 7.2 | HIGH | 2.0NVD | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due May 3, 2022
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2016-7255
- Status
- Analyzed
- Assigner (CNA)
- microsoft
- Published
- Nov 10, 2016
- Last modified
- 2026-09-10 04:17 UTC
- Weaknesses
Affected Products
From NVD CPE configurations.
microsoftwindows 10 15070 version ranges
No version detail published.
microsoftwindows 10 15110 version ranges
No version detail published.
microsoftwindows 10 16070 version ranges
No version detail published.
microsoftwindows 70 version ranges
No version detail published.
microsoftwindows 8.10 version ranges
No version detail published.
microsoftwindows rt 8.10 version ranges
No version detail published.
microsoftwindows server 20081 version range
- r2 sp1
microsoftwindows server 20121 version range
- r2
microsoftwindows server 20160 version ranges
No version detail published.
microsoftwindows vista0 version ranges
No version detail published.
References
- blog.trendmicro.com http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
- packetstormsecurity.com http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
- securityfocus.com http://www.securityfocus.com/bid/94064
- securitytracker.com http://www.securitytracker.com/id/1037251
- docs.microsoft.com https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135
- github.com https://github.com/mwrlabs/CVE-2016-7255
- securingtomorrow.mcafee.com https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/
- security.googleblog.com https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
- exploit-db.com https://www.exploit-db.com/exploits/40745/
- exploit-db.com https://www.exploit-db.com/exploits/40823/
- exploit-db.com https://www.exploit-db.com/exploits/41015/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7255