CVE-2025-8088Path traversal vulnerability in WinRAR
- 8.4HighCVSS base score
- 94.3%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 12 Aug 2025
- YesPublic exploitsa reference or SSVC says so
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as RARLAB WinRAR Path Traversal Vulnerability.
- Added
- 12 Aug 2025
- Fix due (US federal)
- 2 Sept 2025
- Used by ransomware
- Known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 12 Aug 2025.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: it is being exploited.
Timeline
ID reserved
By ESET
- 16 days later
· 16 days later
Published
- 4 days later
· 4 days later
Added to CISA KEV
Known exploited, also by ransomware
- 12 months later
· 12 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ESETCNA (assigner) | 4.0 | High8.4 | 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 |
| NVDNVD · Analyzed | 4.0 | High8.4 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 94.3% · top 0.1% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Affected products
- affected ≤ 7.12
References
References7
- https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=283&cHash=a64b4a8f662d3639dec8d65f47bc93c5 (opens in a new tab)
- https://www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-exploiting-zero-day-vulnerability/#the-discovery-of-cve-2025-8088 (opens in a new tab)technical-description
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-8088 (opens in a new tab)government-resource
- https://www.vicarius.io/vsociety/posts/cve-2025-8088-detect-winrar-zero-day (opens in a new tab)
- https://www.vicarius.io/vsociety/posts/cve-2025-8088-mitigate-winrar-zero-day-using-srp-and-ifeo (opens in a new tab)
- https://support.dtsearch.com/faq/dts0245.htm (opens in a new tab)
- https://arstechnica.com/security/2025/08/high-severity-winrar-0-day-exploited-for-weeks-by-2-groups/ (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-23983 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-8088)Record last updated .