UAF in Firefox DOM Window/Location before v148
CVE-2026-2787 Published on February 24, 2026
Use-after-free in the DOM: Window and Location component
Use-after-free in the DOM: Window and Location component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.
Products Associated with CVE-2026-2787
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2026-2787 are published in these products:
Affected Versions
Mozilla Firefox:- Version unspecified and below 148 is affected.
- Version unspecified and below 115.33 is affected.
- Version unspecified and below 140.8 is affected.
- Version unspecified and below 148 is affected.
- Version unspecified and below 140.8 is affected.