Disclosed Chromium Security Bugs

Potential macOS sandbox escape / arbitrary file read via ClipboardHost

#500094528•Reporter: vm...@google.com
$0
9/10/2026

Bypass of Fenced Frame isolation in PushMessagingManager via Mojo IPC

#499425100•Reporter: rj...@google.com
$0
9/10/2026

CORS bypass and cross-origin data leak via spoofed is_revalidating flag

#499230506•Reporter: vm...@google.com
$0
9/10/2026

Potential Safe Browsing bypass via Android minimal-mode background resumption

#497986036•Reporter: vm...@google.com
$0
9/10/2026

Potential High/SYSTEM LPE via Insecure %TEMP% Extraction in Windows Metainstaller

#497837188•Reporter: vm...@google.com
$0
9/10/2026

Local Network Access bypass via spoofed Service Worker response URL

#497635917•Reporter: vm...@google.com
$0
9/10/2026

Blob Immutability Bypass via Writable File Handle and Null Timestamp

#497574154•Reporter: vm...@google.com
$0
9/10/2026

Potential path validation bypass in FileSystemAccess API for Android Content URIs

#497111188•Reporter: rj...@google.com
$0
9/10/2026

Potential DLP bypass via fail-open invalid URLs in FileBackedBlobFactory

#497093426•Reporter: vm...@google.com
$0
9/10/2026

Potential: Compromised renderer can bypass Secure Context ancestor checks via spoofed replication state

#496595299•Reporter: vm...@google.com
$0
9/10/2026
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