CVE-2026-7233

What it is

A vulnerability was determined in Artifex MuPDF. The impacted element is the function fz_subset_cff_for_gids of the file subset-cff.c of the component CFF Index Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through a bug report but has not responded yet.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. Limited direct impact.

Exploit odds

0.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-04-28 07:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-11-01 08:17 UTC Last updatedMost recent change to the record

Details

Published

2026-04-28 07:16 UTC

Last modified

2026-11-01 08:17 UTC

Exploit probability

0.2% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Artifex Mupdf ≤ 1.27.2

Attack profile CVSS 4.0 · 1.9

Attack vector

Local

Complexity

Low

Attack requirements

None

Privileges needed

Low

User interaction

None

Confidentiality

Low

Integrity

None

Availability

None