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CVE-2026-12080: Qemu-kvm: qemu-guest-agent: local privilege escalation via symlink attack in guest-ssh-add-authorized-keys

highCVSS 7.3CVE-2026-12080

CSIRTS triage

vendor: Qemuproduct: qemu-guest-agentPrivilege escalation
What
Local privilege escalation can occur via a symlink attack in guest-ssh-add-authorized-keys.
Who is affected
Users of qemu-guest-agent.
Urgency
High urgency due to a CVSS score of 7.3 indicating high severity.
Action
Apply patches or updates for qemu-guest-agent immediately.

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
high — CVSS 7.3
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-12080

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-2026-12080coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Qemu-kvm

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.

More from Microsoft Security Response Center