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CVE-2026-59131: AMD Zen Information Disclosure Vulnerability

mediumCVSS 5.6CVE-2026-59131
No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.

CSIRTS triage

What
Information disclosure vulnerability in AMD Zen architecture.
Who is affected
Authorized local attackers on systems with affected AMD Zen processors.
Urgency
Moderate urgency; information disclosure with CVSS 5.6 is concerning but lower priority than privilege escalation.
Action
Apply firmware or microcode updates from AMD for the affected Zen processors.

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 5.6
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59131

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-2026-59131coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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