What’s Vulnerable › Vulnerabilities

CVE-2015-1701: Microsoft Win32k Privilege Escalation Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-03-03
• EPSS: 55.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-04-21 · updated 2026-08-14

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."

Affected products

• Microsoft Windows 2003 Server: r2-sp2
• Microsoft Windows 7: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Vista: all versions

References

• http://seclists.org/fulldisclosure/2020/May/34
• http://twitter.com/symantec/statuses/590208710527549440
• http://www.securityfocus.com/bid/74245
• http://www.securitytracker.com/id/1032155
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-051
• https://www.exploit-db.com/exploits/37049/
• https://www.exploit-db.com/exploits/37367/
• https://www.fireeye.com/blog/threat-research/2015/04/probable_apt28_useo.html
• http://seclists.org/fulldisclosure/2020/May/34
• http://twitter.com/symantec/statuses/590208710527549440
• http://www.securityfocus.com/bid/74245
• http://www.securitytracker.com/id/1032155

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