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CVE-2015-2546: Microsoft Win32k Memory Corruption Vulnerability

criticalknown exploitedpublic exploitCVE-2015-2546
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
The kernel-mode driver in Microsoft Windows OS and Server allows local users to gain privileges via a crafted application.

CSIRTS triage

vendor: Microsoftproduct: WindowsPrivilege escalationMemory corruption
What
The kernel-mode driver in Microsoft Windows OS and Server allows local users to gain privileges via a crafted application.
Who is affected
All deployments of Microsoft Windows OS and Server with the affected kernel-mode driver.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security patch from Microsoft.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-15
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2015-2546

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2015-2546coverage & exploitation statusNVD · CVE.org

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