High 8.2Known exploited (CISA KEV)Published Sep 9, 2015

CVE-2015-2546The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows…

Updated under an hour ago (2026-10-19 07:50 UTC)

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It affects microsoft windows_10_1507 and 8 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Mar 15, 2022; federal agencies had to remediate by Apr 5, 2022, and it is known to be used in ransomware. Treat that date as your deadline.

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Every CVE for microsoft windows_10_1507

Exploited in the last 30 days

The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 allows local users to gain privileges via a crafted application, aka "Win32k Memory Corruption Elevation of Privilege Vulnerability," a different vulnerability than CVE-2015-2511, CVE-2015-2517, and CVE-2015-2518.

CVSS: 8.2 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-119
Known exploited: Added to CISA KEV Mar 15, 2022; federal remediation due Apr 5, 2022; known ransomware useApply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 10.11% (percentile 96)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Aug 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

microsoft windows_10_1507 microsoft:windows_10_1507	all versions	NVD
microsoft windows_7 microsoft:windows_7	all versions	NVD
microsoft windows_8 microsoft:windows_8	all versions	NVD
microsoft windows_8.1 microsoft:windows_8.1	all versions	NVD
microsoft windows_rt microsoft:windows_rt	all versions	NVD
microsoft windows_rt_8.1 microsoft:windows_rt_8.1	all versions	NVD
microsoft windows_server_2008 microsoft:windows_server_2008	all versions; r2; r2	NVD
microsoft windows_server_2012 microsoft:windows_server_2012	all versions; r2	NVD
microsoft windows_vista microsoft:windows_vista	all versions	NVD

References

http://www.securitytracker.com/id/1033485vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097vendor-advisory, x-refsource-ms, patch
http://www.securityfocus.com/bid/76608vdb-entry, x-refsource-bid, broken-link, third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2546us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.