CVE-2025-8088
CVE-2025-8088 is a high-severity vulnerability in Rarlab Winrar with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-08-12). The underlying weakness is classified as CWE-35.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.4
- EPSS exploit prediction: 86% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2025-08-12)
- EU (EUVD) id: EUVD-2025-23983
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-08-12)
- Weakness: CWE-35
- Affected product: Rarlab Winrar
- Published:
- Last modified:
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.
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 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-8088 being actively exploited?
- Yes. CVE-2025-8088 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-08-12, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2025-8088?
- CVE-2025-8088 primarily affects Rarlab Winrar. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-8088?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2025-8088 have an EU (EUVD) identifier?
- Yes. CVE-2025-8088 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23983. It is also flagged as exploited in the EUVD (since 2025-08-12).
- When was CVE-2025-8088 published?
- CVE-2025-8088 was published on 2025-08-08 and last updated on 2026-06-17.
References
- https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=283&cHash=a64b4a8f662d3639dec8d65f47bc93c5
- https://arstechnica.com/security/2025/08/high-severity-winrar-0-day-exploited-for-weeks-by-2-groups/
- https://support.dtsearch.com/faq/dts0245.htm
- 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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-8088
- https://www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-exploiting-zero-day-vulnerability/#the-discovery-of-cve-2025-8088
Affected products (2)
- cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*
- cpe:2.3:a:dtsearch:dtsearch:*:*:*:*:*:*:*:*
More vulnerabilities in Rarlab Winrar
- CVE-2008-7144 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in RARLAB WinRAR before 3.71 have unknown impact and attack vectors related to…
- CVE-2004-1254 — Critical (CVSS 10.0): WinRAR 3.40, and possibly earlier versions, allows remote attackers to execute arbitrary code via a ZIP file containing…
- CVE-2004-0234 — Critical (CVSS 10.0): Multiple stack-based buffer overflows in the get_header function in header.c for LHA 1.14, as used in products such as…
- CVE-2006-3845 — Critical (CVSS 9.3): Stack-based buffer overflow in lzh.fmt in WinRAR 3.00 through 3.60 beta 6 allows remote attackers to execute arbitrary…
- CVE-2025-6218 — High (CVSS 7.8): RARLAB WinRAR Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to…
- CVE-2023-40477 — High (CVSS 7.8): RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability. This…
All CVEs affecting Rarlab Winrar →
Other CWE-35 vulnerabilities
- CVE-2025-59793 — Critical (CVSS 9.9): Rocket TRUfusion Enterprise through 7.10.5 exposes the endpoint at /axis2/services/WsPortalV6UpDwAxis2Impl to…
- CVE-2026-6074 — Critical (CVSS 9.8): Intrado 911 Emergency Gateway (EGW) 5.x, 6.x, and 7.x contain a path traversal vulnerability in the…
- CVE-2025-41723 — Critical (CVSS 9.8): The importFile SOAP method is vulnerable to a directory traversal attack. An unauthenticated remote attacker bypass the…
- CVE-2025-42937 — Critical (CVSS 9.8): SAP Print Service (SAPSprint) performs insufficient validation of path information provided by users. An…
- CVE-2025-30515 — Critical (CVSS 9.8): CyberData 011209 Intercom could allow an authenticated attacker to upload arbitrary files to multiple locations…
- CVE-2026-52703 — Critical (CVSS 9.6): Unauthenticated Path Traversal in FastDup <= 2.7.2 versions.