CVE-2026-9116

MEDIUM4.3

Insufficient policy enforcement in ServiceWorker in Google Chrome on prior to 148

Published May 20, 2026

Modified 3 days ago

Fix available

Details

Insufficient policy enforcement in ServiceWorker in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

148.0.7778.179

References

WEB

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

WEB

https://issues.chromium.org/issues/497436273

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-9116

CVSS Analysis

CVSS v3.1

4.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

NoneI:N

Availability

NoneA:N

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

Ecosystems(21)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedMay 20, 2026

ModifiedMay 20, 2026

CVE-2026-9116 | Mondoo Vulnerability Intelligence