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cve recordhighexploited in the wildzero day3 of 3 cataloguesexploit reported

CVE-2026-3910

Google · Chromium V8 · Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vulnerability

Published · Added to CISA KEV
CVSS8.8
Severityhigh
WeaknessCWE-94
EPSS1.1%64.3th percentile
Exploited3 KEV sources
Ransomware useUnknown
Federal fix dueMar 27, 2026

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

patch window

Called exploited 1 days before disclosure.

Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.

The life of this vulnerability

  1. CVE published
  2. First KEV listing1d
  3. Last KEV listing1d
  4. Last sighting31d

Gaps are compressed to equal steps. The elapsed time is printed under each.

Which catalogues call it exploited

Sources3 of 3
Listings differ by1 d
Strongest claimconfirmed

3 catalogues list it. CIRCL aggregates the others and is shown but not counted.

Public exploitation evidence

4 public reports collected from VulnCheck and CIRCL, first on Mar 12, 2026. Each links to its original source. We have not verified them.

Description

Inappropriate implementation in V8 in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

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Our coverage of CVE-2026-3910

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