How severe is CVE-2015-1701?

CVE-2015-1701 has a CVSS 3.1 base score of 7.8 (HIGH). EPSS estimates a 55.9% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2015-1701: Microsoft Win32k Privilege Escalation

CISA Known Exploited Vulnerabilities

Microsoft Win32k Privilege Escalation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-03-03

Remediation due

2022-03-24

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2015-1701

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."

Severity

CVSS 3.1 · CISA7.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

8 Links

Vendor advisories

MS15-051

Exploits & PoCs

Mailing lists

20200514 KL-001-2020-002 : Cellebrite Restricted Desktop Escape and Escalation of User Privilege

Vulnerability databases

Other references

Record Details

Published

2015-04-21

Last updated

2026-08-14

Assigner (CNA)

microsoft

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.