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: 2026-06-09
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.

Low exploitation riskCVE-2026-90760.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-9076	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

high[UPDATE] [high] OpenSSL: Multiple Vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Tenable Identity Exposure (June 24, 2026)cert-fr-avis

Recent advisories for Out-of-Bounds Read in

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.

unknownCVE-2026-14461: mtr is vulnerable to Out-of-bound read vulnerability in ipinfo_lookup() function. An attacker …nvd · 2026-07-10
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highCVE-2026-11404: Cesanta Mongoose before 7.22 contains an out-of-bounds read in the built-in TLS server functio…nvd · 2026-07-09
mediumCVE-2026-58307: Out-of-bounds read, Reachable assertion vulnerability in Samsung Open Source Escargot allows O…nvd · 2026-07-09
mediumCVE-2026-58304: Out-of-bounds read, Out-of-bounds write vulnerability in Samsung Open Source Escargot allows O…nvd · 2026-07-09
mediumCVE-2026-29007: U-Boot through 2026.04-rc3 contains an out-of-bounds read vulnerability in tcp_rx_state_machin…nvd · 2026-07-08