How severe is CVE-2026-7233?

CVE-2026-7233 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-7233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-7233?

CVE-2026-7233 affects Artifex Mupdf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-7233?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-7233 have an EU (EUVD) identifier?

Yes. CVE-2026-7233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26000.

When was CVE-2026-7233 published?

CVE-2026-7233 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-7233

CVE-2026-7233 is a low-severity vulnerability in Artifex Mupdf with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26000
Weakness: CWE-119
Affected product: Artifex Mupdf
Published: 2026-04-28
Last modified: 2026-06-17

Description

A vulnerability was determined in Artifex MuPDF up to 1.28.0. 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.

Frequently asked questions

What is CVE-2026-7233?: A vulnerability was determined in Artifex MuPDF up to 1.28.0. 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.
How severe is CVE-2026-7233?: CVE-2026-7233 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-7233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-7233?: CVE-2026-7233 affects Artifex Mupdf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-7233?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7233 have an EU (EUVD) identifier?: Yes. CVE-2026-7233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26000.
When was CVE-2026-7233 published?: CVE-2026-7233 was published on 2026-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*

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