VYPR
High severity7.1NVD Advisory· Published Dec 22, 2022· Updated Jun 17, 2026

CVE-2022-22753

CVE-2022-22753

Description

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.*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.

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Affected products

46

Patches

Vulnerability mechanics

References

4

News mentions

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