CVE-2026-8531

FAUCET Score

Heap buffer overflow in WebML in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

First published: May 14, 2026Last modified: May 14, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 148.0.7778.168CPE matchmatch criteria	cpe:2.3:a:google:chrome::::::::
		>= 148.0.7778.168, < 148.0.7778.168CPE match	cpe:2.3:a:google:chrome::::::::

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.26%

Probability of exploitation in next 30 days

EPSS Percentile

17.4%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0026 is in the 19th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

microsoftpatch availablevia msrc

Product: Microsoft Edge (Chromium-based)Fixed in: 148.0.3967.70

Vendor Advisories (1)

microsoft2026-May/CVE-2026-8531

Chromium: CVE-2026-8531 Heap buffer overflow in WebML

May 12, 2026

References

chromereleases.googleblog.com / 2026/05/stable-channel-update-for-desktop_12.html

ProductVendor Advisory

issues.chromium.org / issues/492350403

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