CVSS v3
8.8
HIGH
EPSS Score
7.1 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.
CISA Known Exploited Vulnerability
- Date Added
- 2022-03-07
- Patch Due Date
- 2022-03-21
- Ransomware Use
- Unknown
Technical details
- Published
- 2022-12-22
Frequently asked questions
What is CVE-2022-26485?
Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.
Is CVE-2022-26485 actively exploited?
Yes. CVE-2022-26485 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-03-21.
What is the CVSS score for CVE-2022-26485?
CVE-2022-26485 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2022-26485 affecting your environment?
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