CVE-2026-5940

Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability

MEDIUM

5.5

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

MEDIUM5.5

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

Calling a function that triggers a UI refresh after removing comments via a script may access an invalidated object, leading to program crashes.

Affected

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

PDF Editor · Foxitsoftware

95%

v < 13.2.414.0.0 ≤ 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

5.5MEDIUM[email protected]

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

Vector?

Quick Info

StatusANALYZED

CWE

CWE-416

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