[UPDATE] [medium] Red Hat Enterprise Linux (cifs-utils): Vulnerability allows executing arbitrary code with administrator rights

mediumCVE-2026-12505

A local attacker can exploit a vulnerability in the cifs-utils of Red Hat Enterprise Linux to execute arbitrary code with administrator rights.

CSIRTS triage

vendor: Red Hat product: cifs-utils Remote code execution

What: A local attacker can exploit a vulnerability to execute arbitrary code with administrator rights.
Who is affected: Local deployments of Red Hat Enterprise Linux using cifs-utils.
Urgency: Remediation is medium urgency due to the potential for code execution with elevated privileges.
Action: Update cifs-utils to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-07
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2125

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-2026-125050.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-12505	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

highCVE-2026-12505: Cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcallmsrc

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