Vulnerability details
CVE-2026-25880
sumatrapdfreader sumatrapdf
Untrusted Search Path in SumatraPDF Reader (explorer.exe on Windows)
CVSS 3.1
7.8High
Official description
SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, the PDF reader allows execution of a malicious binary (explorer.exe) located in the same directory as the opened PDF when the user clicks File → “Show in folder”. This behavior leads to arbitrary code execution on the victim’s system with the privileges of the current user, without any warning or user interaction beyond the menu click.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| sumatrapdfreader | sumatrapdf | <= 3.5.2 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-02-10
- Last updated
- 2026-02-10
- State
- Published
- Assigner (CNA)
- GitHub_M
Exploit prediction (EPSS)
0.22%
Probability of exploitation in 30 days
13.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-426Untrusted Search Path