Is CVE-2026-7320 actively exploited?

CVE-2026-7320 has no public evidence of in-the-wild exploitation as of 2026-05-01.

What is the CVSS score for CVE-2026-7320?

CVE-2026-7320 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2026-7320?

Patch guidance is available from mozilla security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-7320.

Fix CVE-2026-7320 - HIGH mozilla firefox

Q: Which products are affected by CVE-2026-7320?

5 products: mozilla firefox, mozilla firefox, mozilla firefox, mozilla thunderbird, mozilla thunderbird.

Description

Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: MOZILLA
Published: 4/28/2026
Last Modified: 5/1/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mozilla : firefoxmozilla : firefoxmozilla : firefoxmozilla : thunderbirdmozilla : thunderbird

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-7320. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-7320

View on NIST NVD

CVE-2026-7320 vulnerability