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CVE-2026-5941

Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability

Published: Apr 27, 2026Updated: Apr 27, 2026 Sources: CVE List NVD
NVD MITRE
7.8CVSS
HIGH

Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form field hierarchies, leading to invalid memory writes and program crashes during internal data structure construction.

EPSS Score
0.0%
Top 94.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-20

Affected Products

Foxit PDF Editor
Foxit Software Inc.
Foxit PDF Reader
Foxit Software Inc.

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://www.foxit.com/support/security-bulletins.html
foxit.com

Timeline

Published
Apr 27, 2026
Last Updated
Apr 27, 2026

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