CVEs / CVE-2015-1701
CVE-2015-1701: Microsoft Win32k Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 3 Mar 2022
- high 7.8 CVSS 3.1 (NVD)
- EPSS 55.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 3 Mar 2022 |
|---|---|
| Due date for US federal agencies | 24 Mar 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|
References
- CVE-2015-1701 on NVD
- CVE-2015-1701 in the CISA KEV catalog
- http://seclists.org/fulldisclosure/2020/May/34 Broken Link, Mailing List, Third Party Advisory
- http://twitter.com/symantec/statuses/590208710527549440 Press/Media Coverage
- http://www.securityfocus.com/bid/74245 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1032155 Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-051 Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/37049/ Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/37367/ Exploit, Third Party Advisory, VDB Entry
- https://www.fireeye.com/blog/threat-research/2015/04/probable_apt28_useo.html Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1701 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.