CVE-2026-15718

We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2045443	Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-67/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-70/
https://www.mozilla.org/security/advisories/mfsa2026-72/

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

History

No history.

Information

Published : 2026-07-14 13:18

Updated : 2026-07-22 20:16

NVD link : CVE-2026-15718

Mitre link : CVE-2026-15718

CVE.ORG link : CVE-2026-15718

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-763

Release of Invalid Pointer or Reference

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