HIGH CISA KEV

CVE-2022-26485

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
3/7/2022
Patch Due Date
3/21/2022
Ransomware Use
Unknown

Technical details

Published
12/22/2022

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 3/21/2022.

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?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.