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CVE-2026-44814: Windows DWM Core Library Information Disclosure Vulnerability

mediumCVSS 5.5CVE-2026-44814
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

CSIRTS triage

vendor: Microsoftproduct: Windows DWM Core LibraryInformation disclosure
What
An out-of-bounds read in the Windows DWM Core Library allows information disclosure.
Who is affected
Authorized attackers can exploit this vulnerability locally in Windows DWM Core Library.
Urgency
Remediation is medium urgency due to the moderate severity of the vulnerability.
Action
Patch the Windows DWM Core Library to address this issue.

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

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44814

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-2026-44814coverage & exploitation statusNVD · CVE.org

Recent advisories for Windows DWM Core

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center