CVE detail
CVE-2026-2766
Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 30.0 · diversity 14.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
33 source links · newest first
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2766.jsonsecurity.access.redhat.com
No excerpt available.
Vendor Advisorysecurity.access.redhat.comFeb 24, 2026, 2:16 PM - https://bugzilla.redhat.com/show_bug.cgi?id=2442294bugzilla.redhat.com
No excerpt available.
Exploitbugzilla.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/security/cve/CVE-2026-2766access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:4432access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:4260access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:4152access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:4022access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3984access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3983access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3982access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3981access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3980access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3979access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3978access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3976access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3517access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3516access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3515access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3497access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3496access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3495access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3494access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3493access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3492access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3491access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3361access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3339access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://access.redhat.com/errata/RHSA-2026:3338access.redhat.com
No excerpt available.
Vendor Advisoryaccess.redhat.comFeb 24, 2026, 2:16 PM - https://www.mozilla.org/security/advisories/mfsa2026-17/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgFeb 24, 2026, 2:16 PM - https://www.mozilla.org/security/advisories/mfsa2026-16/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgFeb 24, 2026, 2:16 PM - https://www.mozilla.org/security/advisories/mfsa2026-15/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgFeb 24, 2026, 2:16 PM - https://www.mozilla.org/security/advisories/mfsa2026-13/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgFeb 24, 2026, 2:16 PM - https://bugzilla.mozilla.org/show_bug.cgi?id=2013583bugzilla.mozilla.org
No excerpt available.
Exploitbugzilla.mozilla.orgFeb 24, 2026, 2:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
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- CVE-2026-12329CVSS 5.3 · Medium
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- CVE-2026-12314CVSS 7.5 · High
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- CVE-2026-12310CVSS 7.5 · High
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- CVE-2026-12298CVSS 5.4 · Medium
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- CVE-2026-12293CVSS 9.8 · Critical
Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
- CVE-2026-12291CVSS 8.8 · High
Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.