CVE-2022-22753

A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

• CWE-367
• CWE-367

• https://bugzilla.mozilla.org/show_bug.cgi?id=1732435Exploit, Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-05/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-06/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1732435Exploit, Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-05/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2022-06/Vendor Advisory

Published

Dec 22, 2022

Last Modified

Jun 17, 2026

Status

Modified

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