CVE-2022-2856: in the CISA KEV catalogue
Google Chromium Intents Insufficient Input Validation Vulnerability. CISA added CVE-2022-2856 to the Known Exploited Vulnerabilities catalogue on 2022-08-18 with a default due date of 2022-09-08. Known ransomware campaign use: Unknown. Forensic triage flag: No.
Google Chromium Intents contains an insufficient validation of untrusted input vulnerability that allows a remote attacker to browse to a malicious website via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. (CISA description)
- Vendor / product
- Google Chromium Intents
- CWE
- CWE-20
- CISA required action
- Apply updates per vendor instructions.
- EPSS
- 4.6%, percentile 91 (scored 2026-11-03)
EPSS puts about 4.6 in 100 odds (4.6%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 91% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2022-2856 in the CISA KEV catalogue?
Yes. CISA added CVE-2022-2856 (Google Chromium Intents Insufficient Input Validation Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2022-08-18. CISA's default due date for it is 2022-09-08.
Is CVE-2022-2856 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2022-2856. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2022-2856?
CISA's required action: Apply updates per vendor instructions.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2022-2856