[UPDATE] [high] AMD ARM and EPYC processors: Multiple vulnerabilities
A local attacker can exploit multiple vulnerabilities in AMD ARM and EPYC processors to bypass security measures and manipulate data.
CSIRTS triage
- What
- Multiple vulnerabilities allow a local attacker to bypass security measures and manipulate data.
- Who is affected
- Users of AMD ARM and EPYC processors are affected.
- Urgency
- Remediation is urgent due to the high severity of the vulnerabilities.
- Action
- Apply firmware updates from AMD.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1859
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-2025-102630.55% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all scored CVEs.
- Low exploitation riskCVE-2025-545090.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-10263 | coverage & exploitation status | NVD · CVE.org |
| CVE-2025-54509 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- medium[UPDATE] [medium] Xen: Multiple vulnerabilitiescert-bund
- unknownMultiples vulnérabilités dans le noyau Linux de Red Hat (31 juillet 2026)cert-fr-avis
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilitiescert-bund
- high[UPDATE] [high] Microsoft Windows: Multiple vulnerabilitiescert-bund
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis
- unknownDebian Linux Kernel Multiple Vulnerabilitieshkcert
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 3, 2026)cert-fr-avis
- unknownSUSE Linux Kernel Multiple Vulnerabilitieshkcert
- unknownRedHat Linux Kernel Multiple Vulnerabilitieshkcert
- criticalCVE-2025-10263: ARM: CVE-2025-10263 Completion of affected memory accesses might not be guaranteed by completi…msrc
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