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CVE-2022-4262

Google Chromium V8 Type Confusion

8.8 HIGHActively exploited (CISA KEV)EPSS 23.5%
  1. Published2 Dec 2022
  2. Added to CISA KEV5 Dec 2022
  3. Remediation due26 Dec 2022
Actively exploited (CISA KEV)

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption 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.

Added to KEV: 5 Dec 2022Federal remediation due: 26 Dec 2022

Description

Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Google Chrome< 108.0.5359.94

Remediation

Fixed in
Google Chrome≥ 108.0.5359.94

References

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Frequently asked

Is CVE-2022-4262 being actively exploited?

Yes. CVE-2022-4262 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 5 Dec 2022.

How severe is CVE-2022-4262?

CVE-2022-4262 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 23.5% probability of exploitation.

Which products are affected by CVE-2022-4262?

Affected products include Google Chrome.

How do I fix CVE-2022-4262?

Upgrade affected software to a fixed version, for example Google Chrome 108.0.5359.94 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-4262 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.