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CVE-2026-9123

Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network tra...

Published: May 20, 2026Updated: May 20, 2026 Sources: CVE List NVD
NVD MITRE
7.5CVSS
HIGH

Heap buffer overflow in Chromecast in Google Chrome on Android, Linux, ChromeOS prior to 148.0.7778.179 allowed a local attacker to execute arbitrary code inside a sandbox via malicious network traffic. (Chromium security severity: Medium)

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:AAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-122

Affected Products

Chrome
Google

Attack Graph

Products CVE Techniques Tactics

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

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html
chromereleases.googleblog.com
https://issues.chromium.org/issues/495988507
issues.chromium.org

Timeline

Published
May 20, 2026
Last Updated
May 20, 2026

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