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CVE-2015-1701
Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2, and Server 2008 SP2 allows local users to gain…
High7.8Known exploitedEPSS 55.9%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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."
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Win32k Privilege Escalation Vulnerability.
- Added
- 3 Mar 2022
- Fix due (US federal)
- 24 Mar 2022
- Used by ransomware
- Known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 55.9% · top 1.0% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- n/a
- CWE-noinfo Not enough information
Affected products
n/a
- affected n/a
References (9)
- http://twitter.com/symantec/statuses/590208710527549440 (opens in a new tab)x_refsource_MISCx_transferred
- 37049 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 74245 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MS15-051 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 37367 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.fireeye.com/blog/threat-research/2015/04/probable_apt28_useo.html (opens in a new tab)x_refsource_MISCx_transferred
- 1032155 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20200514 KL-001-2020-002 : Cellebrite Restricted Desktop Escape and Escalation of User Privilege (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1701 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2015-1701)Record last updated .