CVE-2026-5941

Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability

HIGH

7.1

CVSS Score

Published: April 27, 2026 at 11:00 AM UTC

Updated: October 26, 2026 at 09:10 PM UTC

2 products affected across 1 vendorPDF ReaderPDF Editor

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Severity

HIGH7.1

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PDF Editor · Foxitsoftware

95%

14.0.0 ≤ v < 14.0.42023.0.0 ≤ v < 2026.1.1

PDF Reader · Foxitsoftware

95%

v < 2026.1.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

Vendor Advisory

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-20NVD-CWE-noinfo

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