CVE detail
CVE-2026-0892
Memory safety bugs present in Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
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 16.1 · diversity 15.0 · 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
4 source links · newest first
Eight critical vulnerabilities and an actively exploited zero day highlight Microsoft’s first Patch Tuesday announcements for 2026. Most of the higher scoring vulnerabilities impact Office products, with two holes in SharePoint scoring an 8.8 on the CVSS scale. “Last year’s abuse of SharePoint by Chinese APTs to deploy ToolShell against organizations should serve as a […]
newswww.csoonline.comJan 14, 2026, 1:50 AM- https://www.mozilla.org/security/advisories/mfsa2026-04/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJan 13, 2026, 2:16 PM - https://www.mozilla.org/security/advisories/mfsa2026-01/www.mozilla.org
No excerpt available.
Vendor Advisorywww.mozilla.orgJan 13, 2026, 2:16 PM - https://bugzilla.mozilla.org/buglist.cgi?bug_id=1986912%2C1996718%2C1999633%2C2001081%2C2004443bugzilla.mozilla.org
No excerpt available.
Exploitbugzilla.mozilla.orgJan 13, 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
6 related CVEs with shared weakness or product evidence
- CVE-2026-16393CVSS 9.1 · Critical
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- CVE-2026-16368CVSS 9.8 · Critical
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
- CVE-2026-16367CVSS 10.0 · Critical
Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- CVE-2026-16364CVSS 9.1 · Critical
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- CVE-2026-16361CVSS 9.8 · Critical
Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been…
- CVE-2026-16360CVSS 9.8 · Critical
Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effor…