Vulnerability · Published Sep 23, 2026 · Assigned by Foxit
CVE-2026-91793Foxit PDF Editor/Reader Doc Object Use-After-Free Information Disclosure Vulnerability
High 7.8
In plain English
A high-severity use-after-free in Foxit PDF Editor from Foxit Software Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 93.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
When opening a specially crafted PDF, Foxit PDF Editor/Reader executes scripts that modify annotation rich-text attributes containing malformed font data. During subsequent annotation appearance reconstruction, it accesses an object after it has been released, resulting in a use-after-free condition and an application crash.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor | Versions 2026.2 and earlierVersions 14.0.7 and earlierVersions 13.2.6 and earlier |
| Foxit Software Inc. | Foxit PDF Reader | Versions 2026.2 and earlier |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H