TI-2026-10692 Aliases CVE-2026-12456 GHSA-hv42-745h-67mr

Improper input validation in Google Chrome

LOW 19CWE-20Published 2026-06-17 · Updated 2026-06-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.155 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension. (Chromium security severity: High)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00137 3rd percentileScored 2026-11-07

Fix Fixed Chrome (Google): 149.0.7827.155

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Google	Chrome	149.0.7827.155 to before 149.0.7827.155	149.0.7827.155	Patch available	CNA

Chrome VendorGoogle Affected 149.0.7827.155 to before 149.0.7827.155 Fixed in 149.0.7827.155 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:google:chrome::::::::	before 149.0.7827.155	Vulnerable	Google
cpe:2.3:o:apple:macos:-:::::::*	not specified by NVD	Running on	Apple
cpe:2.3:o:linux:linux_kernel:-:::::::*	not specified by NVD	Running on	Linux
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 149.0.7827.155 Vulnerable ·Google
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Chrome (Google) Fixed in 149.0.7827.155

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-06-17
Google Chrome 149.0.7827.155
33 records Highest priority Priority MEDIUM 9 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2026-10676 Use after free in Google ChromePriority MEDIUM 42
- TI-2026-10679 Use after free in Google ChromePriority MEDIUM 41
- TI-2026-10702 Heap-based buffer overflow in Google ChromePriority MEDIUM 40
Show all 33 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2026-12456
2026-10-03 Alias added: GHSA-hv42-745h-67mr

References

Advisory 1

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

Other 1

https://issues.chromium.org/issues/517124587

TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6

See all 7586 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences