TI-2026-10366 Aliases CVE-2026-12027 GHSA-88g6-23mm-rpg4

Protection mechanism failure in Google Chrome

MEDIUM 42CWE-250Published 2026-06-11 · Updated 2026-06-12

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Privilege escalation, Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-250 and CWE-693.

Summary

Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00224 13th percentileScored 2026-11-07

Fix Fixed Chrome (Google): 149.0.7827.115

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

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	149.0.7827.115 to before 149.0.7827.115	149.0.7827.115	Patch available	CNA

Chrome VendorGoogle Affected 149.0.7827.115 to before 149.0.7827.115 Fixed in 149.0.7827.115 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:google:chrome::::::::	before 149.0.7827.115	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 149.0.7827.115 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 149.0.7827.115

Fixed in the same release

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

Release · 2026-06-11
Google Chrome 149.0.7827.115
27 records Highest priority Priority MEDIUM 2 MEDIUM, 25 LOW
Other records, highest priority first
- TI-2026-10348 Use after free in Google ChromePriority MEDIUM 40
- TI-2026-10374 Use after free in Google ChromePriority LOW 39
- TI-2026-10360 Use after free in Google ChromePriority LOW 39
Show all 27 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-2026-12027
2026-10-03 Alias added: GHSA-88g6-23mm-rpg4

References

Advisory 1

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html

Other 1

https://issues.chromium.org/issues/517517155

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