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VulnerabilityPublished

CVE-2026-9930: Google Chrome · Out-of-bounds Write

Affects Google ChromeSource CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium : upgrade to 148.0.7778.216 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 148.0.7778.216
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade Google Chrome to 148.0.7778.216.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=148.0.7778.216 <148.0.7778.216
Fixed in
  • 148.0.7778.216

AI-suggested

Users should update to Chrome version 148.0.7778.216 or later once confirmed to include the fix. Until confirmation, exercise caution when browsing untrusted websites.

Description

Out of bounds write in Dawn in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)

References

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