WinRAR Absolute Path Traversal Vulnerability
WinRAR Absolute Path Traversal vulnerability leads to Remote Code Execution
- Vendor
- RARLAB
- Product
- WinRAR
- CVSS
- 7.8
- EPSS (exploit probability)
- 96.0%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2018-20250 being exploited?
Yes. CISA added CVE-2018-20250 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild. CISA marks it as known to be used in ransomware campaigns.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 96.0% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply updates per vendor instructions.
US federal civilian agencies must remediate by (181 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other RARLAB WinRAR CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2025-6218 RARLAB WinRAR Path Traversal Vulnerability | [ HIGH ] | 7.8 | 90.5% | |
| CVE-2025-8088 RARLAB WinRAR Path Traversal Vulnerabilityransomware use | [ HIGH ] | 8.8 | 94.5% | |
| CVE-2023-38831 WinRAR Path Traversal / Spoofed File Extension Code Executionransomware usewrite-up | [ HIGH ] | 7.8 | 99.8% |