CVE-2026-14266
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-14266 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
A remote, anonymous attacker can exploit a vulnerability in 7-Zip to execute arbitrary program code.
CSIRTS triage
- What
- A vulnerability allows a remote, anonymous attacker to execute arbitrary program code.
- Who is affected
- Users of 7-Zip.
- Urgency
- Remediation is important as this vulnerability can lead to arbitrary code execution.
- Action
- Update to the latest version of 7-Zip.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.92% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 57% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-14266 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (2)
- medium[NEW] [medium] 7-Zip: Vulnerability allows code executioncert-bund · 2026-07-30
- highCVE-2026-14266: 7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vu…nvd · 2026-07-29
External references
Embed the live status
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[](https://www.csirts.com/cve/CVE-2026-14266)