CVE-2026-80557
An attacker can exploit multiple vulnerabilities in the Linux Kernel to conduct an unspecified attack, including potentially arbitrary code execution, privilege escalation, information disclosure, data manipulation, or denial-of-service conditions.
CSIRTS triage
- What
- Multiple vulnerabilities in the Linux Kernel enable arbitrary code execution, privilege escalation, information disclosure, and denial of service.
- Who is affected
- All Linux systems running vulnerable kernel versions are affected depending on the specific vulnerability.
- Urgency
- High priority; kernel vulnerabilities enable privilege escalation and RCE affecting all deployed Linux infrastructure.
- Action
- Apply kernel security patches and reboot systems to the latest patched kernel version.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-80557
Get an email if CVE-2026-80557 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all EPSS-scored CVEs.
Advisory coverage (3)
- high[NEW] [high] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-08-31
- unknownDSA-6477-1 linux - security updatedebian · 2026-08-29
- criticalCVE-2026-80557: In the Linux kernel, the following vulnerability has been resolved: libceph: fix OOB read in d…nvd · 2026-08-26
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-80557)