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CVE-2025-8088 CISA KEV — actively exploited Ransomware-linked

RARLAB WinRAR Path Traversal Vulnerability

win.rar GmbH — WinRAR

A path traversal vulnerability affecting the Windows version of WinRAR allows the attackers to execute arbitrary code by crafting malicious archive files. This vulnerability was exploited in the wild and was discovered by Anton Cherepanov, Peter Košinár, and Peter Strýček from ESET.

CVSS scoreHigh

8.4

EPSS — exploitation probabilityCritical

94.6%

Vector breakdown

Attack vector
Local
Attack complexity
Low
Attack requirements
None
Privileges required
None
User interaction
Active
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Published
Aug 8, 2025
Modified
Aug 11, 2026
Added to KEV
Aug 12, 2025
Federal patch due
Sep 2, 2025

CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weakness classification

Proof-of-concept & exploitation references

Public repositories whose name or description references CVE-2025-8088, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.

No public GitHub repositories referencing CVE-2025-8088 were found at last check. Absence here is not proof no exploit exists — see the references below for vendor advisories and write-ups.

References

Frequently asked questions

What is CVE-2025-8088?

A path traversal vulnerability affecting the Windows version of WinRAR allows the attackers to execute arbitrary code by crafting malicious archive files. This vulnerability was exploited in the wild and was discovered by Anton Cherepanov, Peter Košinár, and Peter Strýček from ESET.

How severe is CVE-2025-8088?

CVE-2025-8088 has a CVSS base score of 8.4 out of 10 (CVSS 4.0).

Is CVE-2025-8088 actively exploited in the wild?

Yes. CVE-2025-8088 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Aug 12, 2025, meaning CISA has confirmed evidence of active exploitation. It is also flagged as used in ransomware campaigns.

What is the EPSS score for CVE-2025-8088?

94.6% - meaning FIRST.org's EPSS model estimates a 94.6% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).

What type of vulnerability is CVE-2025-8088?

CVE-2025-8088 is classified under CWE-35 (CWE-35 Path traversal).

Cross-checked against

Impactr finds and proves whether CVE-2025-8088 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.