Vulnerability details
CVE-2025-8088
Actively exploited
win.rar WinRAR
Path traversal vulnerability in WinRAR
CVSS 4.0
8.4High
Remedy
Required action (CISA): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. (due: 2025-09-02)
Official description
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 scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.4High | 4.0 | CVEProject cvelistV5 (CNA) (ESET) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| win.rar GmbH | WinRAR | v ≤ 7.12 | CVEProject cvelistV5 (CNA) |
References and advisories
7- https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=283&cHash=a64b4a8f662d3639dec8d65f47bc93c5
- https://www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-exploiting-zero-day-vulnerability/#the-discovery-of-cve-2025-8088 technical-description
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-8088 government-resource
- https://www.vicarius.io/vsociety/posts/cve-2025-8088-detect-winrar-zero-day
- https://www.vicarius.io/vsociety/posts/cve-2025-8088-mitigate-winrar-zero-day-using-srp-and-ifeo
- https://support.dtsearch.com/faq/dts0245.htm
- https://arstechnica.com/security/2025/08/high-severity-winrar-0-day-exploited-for-weeks-by-2-groups/
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Details
- Published
- 2025-08-08
- Last updated
- 2026-08-11
- State
- Published
- Assigner (CNA)
- ESET
- Kolun priority
- 78 · High
CISA KEV catalog
- Date added
- 2025-08-12
- Due date
- 2025-09-02
- Used in ransomware
- Yes
Exploit prediction (EPSS)
94.28%
Probability of exploitation in 30 days
99.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-35Path traversal