CVE-2015-1701
HIGHCISA KEVEPSS 99th pctlDescription
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."
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
Microsoft Win32k Privilege Escalation Vulnerability
An unspecified vulnerability exists in the Win32k.sys kernel-mode driver in Microsoft Windows Server that allows a local attacker to execute arbitrary code with elevated privileges.
Apply updates per vendor instructions.
Remediation due: 2022-03-24
Associated with ransomware campaigns
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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1701
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.