CVE-2026-16806

⚠️ high

Summary

Use after free in WebMCP in Google Chrome prior to 150.0.7871.186 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Score

8.8

High

EPSS Score

0.4

Exploit Probability

Published Date

2026-07-23

First Seen: 2026-07-31

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 81.0% of all 340,620 vulnerabilities in our database.

#64,750

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jul 24, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-07-27

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-416

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
google	chrome	Affected	< 150.0.7871.186

🔗 References 2

https://chromereleases.googleblog.com/2026/07/stable...

Release Notes Vendor Advisory

https://issues.chromium.org/issues/522064153

Permissions Required

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-17689	🔶 medium	4.3	0.3	Uninitialized Use in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data v...	2026-07-30
CVE-2026-17693	🔶 medium	4.3	0.2	Insufficient policy enforcement in FileSystem in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak ...	2026-07-30
CVE-2026-17696	🔶 medium	4.3	0.3	Side-channel information leakage in Media in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cros...	2026-07-30
CVE-2026-17700	🔶 medium	4.3	0.3	Insufficient validation of untrusted input in Actor in Google Chrome prior to 151.0.7922.72 allowed a remote attacker wh...	2026-07-30
CVE-2026-17730	🔶 medium	4.3	0.2	Side-channel information leakage in Autofill in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who convi...	2026-07-30
CVE-2026-17740	🔶 medium	4.3	0.2	Uninitialized Use in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data v...	2026-07-30

These CVEs affect the same products