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Vulnerability record · CVE-2015-2527 · published 9 September 2015

CVE-2015-2527: Microsoft windows 10 permissions and access controls vulnerability

Microsoft · Windows 10

The process-initialization implementation in win32k.sys in the kernel-mode drivers in Microsoft Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 does not properly constrain impersonation levels, which allows local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

7.2 CVSS 2.0 High EPSS 6.6% · top 6.4% CWE-264 · Permissions and access controls
7.2CVSS 2.0 base score
6.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The process-initialization implementation in win32k.sys in the kernel-mode drivers in Microsoft Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 does not properly constrain impersonation levels, which allows local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/76599 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033485 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097 PatchVendor Advisory
https://www.exploit-db.com/exploits/38199/ ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/76599 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033485 Third Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097 PatchVendor Advisory
https://www.exploit-db.com/exploits/38199/ ExploitThird Party AdvisoryVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-2527), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.