CVE-2022-22750

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-12-22 · updated 2026-06-17

Description

By generally accepting and passing resource handles across processes, a compromised content process might have confused higher privileged processes to interact with handles that the unprivileged process should not have access to.<br>*This bug only affects Firefox for Windows and MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 96.

Affected products

Mozilla Firefox: before 96.0 — fixed in 96.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 96.0. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1566608
https://www.mozilla.org/security/advisories/mfsa2022-01/
https://bugzilla.mozilla.org/show_bug.cgi?id=1566608
https://www.mozilla.org/security/advisories/mfsa2022-01/

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