Vulnerability Report

CVE-2026-3777

Title: Use-After-Free via Document Zoom and Page State Manipulation

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2026-3777.

CWE Category CWE-416

Published Date Apr 01, 2026

Modified Date Apr 14, 2026

Exploit Status Not Found

Score 5.5 CVSS v3.1

Exploit Probability (EPSS)

0.12%

Vulnerability Summary

CVE-2026-3777: The application does not properly validate the lifetime and validity of internal view cache pointers after JavaScript changes the document zoom and page state. When a script modifies the zoom property and then triggers a page change, the original view object may be destroyed while stale pointers are still kept and later dereferenced, which under crafted JavaScript and document structures can lead to a use-after-free condition and potentially allow arbitrary code execution.

Impacted Vendors

foxit 2

nuance 1

foxitsoftware 2

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.8

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1

Source Entity 14984358-7092-470d-8f34-ade47a7658a2

Severity MEDIUM

5.5

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-3777 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 14, 2026 MODIFIED

Vulnerability data updated via NVD.

April 14, 2026 MODIFIED

Vulnerability data updated via NVD.

April 01, 2026 MODIFIED

Vulnerability data updated via NVD.

April 01, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.