7.1
High
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…
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.<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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 97 | earliest → < 97 | 97 |
| Thunderbird 91.6 | earliest → < 91.6 | 91.6 |
| Firefox ESR 91.6 | earliest → < 91.6 | 91.6 |
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