CVE-2026-53062: dm cache policy smq: fix missing locks in invalidating cache blocks

criticalCVSS 9.8CVE-2026-53062

CSIRTS triage

vendor: dm cache policy smq product: dm cache policy smqOther

What: This vulnerability involves missing locks in invalidating cache blocks.
Who is affected: Deployments using dm cache policy smq are affected.
Urgency: Remediation is critical urgency due to the critical severity rating.
Action: Implement the latest updates for dm cache policy smq.

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: critical — CVSS 9.8
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53062

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.

Low exploitation riskCVE-2026-530620.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53062	coverage & exploitation status	NVD · CVE.org

Recent advisories for dm cache policy smq

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.

highCVE-2026-53265: dm cache policy smq: check allocation under invalidate lockmsrc · 2026-06-09