CVE-2026-9930

FAUCET Score

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)

First published: May 28, 2026Last modified: May 28, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 148.0.7778.216CPE matchmatch criteria	cpe:2.3:a:google:chrome::::::::
		>= 148.0.7778.216, < 148.0.7778.216CPE match	cpe:2.3:a:google:chrome::::::::

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.19%

Probability of exploitation in next 30 days

EPSS Percentile

9.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0019 is in the 8th percentile among its peer group of 26,236 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

microsoftpatch availablevia msrc

Product: Microsoft Edge (Chromium-based)Fixed in: 148.0.3967.96

Vendor Advisories (1)

microsoft2026-May/CVE-2026-9930

Chromium: CVE-2026-9930 Out of bounds write in Dawn

May 12, 2026

References

chromereleases.googleblog.com / 2026/05/stable-channel-update-for-desktop_0877304591.html

Release Notes

issues.chromium.org / issues/501499832

Permissions RequiredVendor Advisory