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CVE-2026-9076: Out-of-Bounds Read in CMS Password-Based Decryption

highCVSS 7.5CVE-2026-9076

CSIRTS triage

Other
What
The vulnerability is an out-of-bounds read in CMS Password-Based Decryption.
Who is affected
Deployments using CMS for password-based decryption.
Urgency
Remediation is high urgency due to the high severity rating.
Action
Apply the latest patches for CMS.

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 7.5
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-9076

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-2026-9076coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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