# CVE-2016-7255

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."

- Page: https://www.vulneraibility.com/cve/CVE-2016-7255
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03; known ransomware use
- EPSS: 80.97% (percentile 99.6)
- Public exploit code: 3 on Exploit-DB · 5 GitHub proofs of concept (first 2016-11-09)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2021-03-05)
- Published: 2016-11-10

## Affected

- microsoft:windows_10_1507
- microsoft:windows_10_1511
- microsoft:windows_10_1607
- microsoft:windows_7
- microsoft:windows_8.1
- microsoft:windows_rt_8.1
- microsoft:windows_server_2008
- microsoft:windows_server_2012
- microsoft:windows_server_2016
- microsoft:windows_vista

## References

- [other] http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k.sys-NtSetWindowLongPtr-Privilege-Escalation.html
- [other] https://github.com/mwrlabs/CVE-2016-7255
- [exploit] https://www.exploit-db.com/exploits/40823/
- [exploit] https://www.exploit-db.com/exploits/41015/
- [other] https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege-escalation-vulnerability-cve-2016-7255/
- [exploit] https://www.exploit-db.com/exploits/40745/
- [other] http://www.securitytracker.com/id/1037251
- [advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-135
- [other] http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule-system-analyzing-cve-2016-7255-exploit-wild/
- [other] http://www.securityfocus.com/bid/94064
- [other] https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7255

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.