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High severity · published Sep 9, 2015
CVE-2015-2546
Microsoft Win32k Memory Corruption Vulnerability
RansomwareIn wildKEV
8.2
CVSS
10.1%
EPSS
Yes
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)10.1% · higher than 96% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 15, 2022
Federal remediation dueApr 5, 2022
Ransomware campaign useKnown
Affected products
Which versions
W1
Windows 10 1507 · Microsoft
All versions, or not specified · source: NVD
W7
Windows 7 · Microsoft
All versions, or not specified · source: NVD
W8
Windows 8 · Microsoft
All versions, or not specified · source: NVD
W8
Windows 8.1 · Microsoft
All versions, or not specified · source: NVD
WR
Windows RT · Microsoft
All versions, or not specified · source: NVD
WR
Windows RT 8.1 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2008 · Microsoft
r2; r2 · source: NVD
WS
Windows Server 2012 · Microsoft
r2 · source: NVD
WV
Windows Vista · Microsoft
All versions, or not specified · source: NVD
WI
Win32k · Microsoft
All versions, or not specified · source: KEV
Affected product
W1
Windows 10 1507
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-2546
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-2546
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vdb-entry
http://www.securitytracker.com/id/1033485
vendor-advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-097
vdb-entry
http://www.securityfocus.com/bid/76608
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