CVE-2016-7255

high-risk
Published 2016-11-10

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."

Do I need to act?

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89.4% chance of exploitation in next 30 days
EPSS score — higher than 11% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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3 public exploits available
40745, 40823, 41015
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (12)

Affected Vendors

Microsoft

References (23)

Broken Link http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-a...
Exploit http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-...
Broken Link http://www.securityfocus.com/bid/94064
Broken Link http://www.securitytracker.com/id/1037251
Patch https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-13...
Exploit https://github.com/mwrlabs/CVE-2016-7255
Broken Link https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege...
Third Party Advisory https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.ht...
Exploit https://www.exploit-db.com/exploits/40745/
Exploit https://www.exploit-db.com/exploits/40823/
Exploit https://www.exploit-db.com/exploits/41015/
Broken Link http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-a...
Exploit http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-...
Broken Link http://www.securityfocus.com/bid/94064
Broken Link http://www.securitytracker.com/id/1037251
Patch https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-13...
Exploit https://github.com/mwrlabs/CVE-2016-7255
Broken Link https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege...
Third Party Advisory https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.ht...
Exploit https://www.exploit-db.com/exploits/40745/
and 3 more references
68
/ 100
high-risk
Severity 24/34 · High
Exploitability 27/34 · High
Exposure 17/34 · Moderate