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CVE-2026-53059: dm log: fix out-of-bounds write due to region_count overflow

highCVSS 7CVE-2026-53059

CSIRTS triage

What
This vulnerability is an out-of-bounds write due to region_count overflow.
Who is affected
Users of affected systems utilizing the dm log.
Urgency
Remediation is urgent due to high severity and potential for exploitation.
Action
Apply the relevant patches as soon as they are available.

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

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53059

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-2026-53059coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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