CVE-2026-14191
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-14191 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 win.rar WinRAR to execute arbitrary program code.
CSIRTS triage
- What
- A vulnerability in win.rar WinRAR allows a remote attacker to execute arbitrary program code.
- Who is affected
- Users of WinRAR are affected.
- Urgency
- Immediate remediation is critical due to the potential for remote code execution.
- Action
- Update WinRAR to the latest version to fix this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-14191 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 (3)
- highCVE-2026-14191: WinRAR / UnRAR RAR5 recovery-volume (.rev) out-of-bounds heap write in RecVolumes5::ReadHeadermsrc · 2026-07-02
- medium[NEW] [medium] win.rar WinRAR: Vulnerability allows code executioncert-bund · 2026-07-01
- highCVE-2026-14191: An out-of-bounds heap write exists in the RAR5 recovery-volume (.rev) parser in WinRAR and UnR…nvd · 2026-07-01
External references
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[](https://www.csirts.com/cve/CVE-2026-14191)