CVE-2022-22753
High
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.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-367CWE-367
How to fix
Update
- mozilla firefox97.0 or later
- mozilla firefox_esr91.6 or later
- mozilla thunderbird91.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 97.0 | 97.0 |
| mozilla firefox_esr | v < 91.6 | 91.6 |
| mozilla thunderbird | v < 91.6 | 91.6 |
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