CVE-2026-9886

Use after free in Base in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

CVSS v3 9.6 CRITICAL

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html	Release Notes
https://issues.chromium.org/issues/508456788	Permissions Required

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

History

21 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Uso después de liberación en Base en Google Chrome en Mac anterior a 148.0.7778.216 permitió a un atacante remoto potencialmente realizar un escape de sandbox a través de una página HTML manipulada. (Gravedad de seguridad de Chromium: Crítica)

03 Jun 2026, 02:29

Type	Values Removed	Values Added
First Time		Apple Google Google chrome Apple macos
References	~~() https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html -~~	() https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html - Release Notes
References	~~() https://issues.chromium.org/issues/508456788 -~~	() https://issues.chromium.org/issues/508456788 - Permissions Required
CPE		cpe:2.3:a:google:chrome:::::::: cpe:2.3:o:apple:macos:-:::::::*

29 May 2026, 16:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.6

28 May 2026, 23:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-28 23:16

Updated : 2026-07-21 11:10

NVD link : CVE-2026-9886

Mitre link : CVE-2026-9886

CVE.ORG link : CVE-2026-9886

JSON object : View

Products Affected

google

chrome

apple

macos

CWE

CWE-416

Use After Free

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