Vulnerability details
CVE-2026-91813
Foxit Software Foxit PDF EditorFoxit Software Foxit PDF Reader
Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability
CVSS 3.1
8.8High
Official description
A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attackers to execute arbitrary code with elevated privileges.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (Foxit) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor | Versions 13.2.6 and earlier | CVEProject cvelistV5 (CNA) |
| Foxit Software Inc. | Foxit PDF Editor | Versions 14.0.7 and earlier | CVEProject cvelistV5 (CNA) |
| Foxit Software Inc. | Foxit PDF Editor | Versions 2026.2 and earlier | CVEProject cvelistV5 (CNA) |
| Foxit Software Inc. | Foxit PDF Reader | Versions 2026.2 and earlier | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-09-23
- Last updated
- 2026-09-23
- State
- Published
- Assigner (CNA)
- Foxit
Exploit prediction (EPSS)
0.09%
Probability of exploitation in 30 days
0.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition