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CVE-2026-12466

Published: Jun 17, 2026Updated: Jun 18, 2026 Sources: CVE List NVDCWE-122
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.4%
Top 67.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-122

Affected Products

ChromeGoogle
On-premDesktop App
Consumer Software / browser
chromegoogle
On-premDesktop App
Consumer Software / browser
googlecommercialUSMobile Appsaka google inc, google llc

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html
chromereleases.googleblog.com
https://issues.chromium.org/issues/520199394
issues.chromium.org

Timeline

Published
Jun 17, 2026
Last Updated
Jun 18, 2026

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