Medium severity · published Apr 27, 2026
CVE-2026-5942
Foxit PDF Editor/Reader AcroForm Signature Use-After-Free Vulnerability
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
Flaws in page lifecycle management allow document structure changes to desynchronize internal component states, causing subsequent operations to access invalidated objects and crash the program.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FP
Foxit PDF Editor · Foxit Software Inc.
Versions 2026.1 and earlier; Versions 14.0.3 and earlier; Versions 13.2.3 and earlier · source: vendor
FP
Foxit PDF Reader · Foxit Software Inc.
Versions 2026.1 and earlier · source: vendor
PE
Pdf Editor · Foxit
before 13.2.4; 14.0.0 before 14.0.4; 2023.0.0 before 2026.1.1 · source: NVD
PR
Pdf Reader · Foxit
before 2026.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5942
Vendor Advisory
https://www.foxit.com/support/security-bulletins.html
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