CVE-2026-5940: foxit software inc. foxit pdf editor Use After Free
CVSS: 7.8v3.1HighAnalyzed
Published 27-04-2026Last modified 28-04-2026
Vulnerability summary
CVE-2026-5940 is a high (CVSS 7.8) Use After Free vulnerability in foxit software inc. foxit pdf editor. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.8% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.16%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-04-2026PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Calling a function that triggers a UI refresh after removing comments via a script may access an invalidated object, leading to program crashes.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSources2 sources · 5.5–7.8
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
-0.01 pp
From 0.17% on 21-09-2026
21-09-202621-10-2026
EPSS score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Foxit2 products
- pdf_editor< 13.2.4 | ≥ 14.0.0, < 14.0.4 | ≥ 2023.0.0, < 2026.1.1
- pdf_reader< 2026.1.1
Foxit software inc.2 products
- foxit pdf editorVersions 2026.1 and earlier | Versions 14.0.3 and earlier | Versions 13.2.3 and earlier
- foxit pdf readerVersions 2026.1 and earlier
2 vendors · 4 products
References
1 links- www.foxit.com/support/security-bulletins.htmlVendor Advisory