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[UPDATE] [high] Linux Kernel: Vulnerability allows gaining administrator rights

highCVE-2026-43503
A local attacker can exploit a vulnerability in Linux Kernel to gain administrator rights.

CSIRTS triage

vendor: Linuxproduct: KernelPrivilege escalation
What
A local attacker can exploit a vulnerability to gain administrator rights.
Who is affected
Local deployments of the Linux Kernel.
Urgency
Remediation is high urgency as it allows for privilege escalation.
Action
Upgrade to the latest version of the Linux Kernel.

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
high
Published
2026-08-19
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-2026-2102

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-2026-43503coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Linux Kernel

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 CERT-Bund (BSI) Security Advisories