Read the docs
TI-2026-73717 Aliases CVE-2026-110160GHSA-2mpf-g8rv-jrxf

Chrome ReadingMode missing authorization may allow site isolation bypass

Priority LOW 19CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

Google Chrome before 155.0.8059.79 is affected. A missing authorization check in ReadingMode (CWE-862) potentially lets a remote attacker who has compromised the renderer process bypass site isolation through a crafted HTML page. The attack also requires social engineering to get a user to open the page.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Missing authorization in ReadingMode in Google Chrome prior to 155.0.8059.79 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to potentially bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00156 4th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 155.0.8059.79

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

VendorProductAffected versionsFixed inStatusSource
GoogleChrome155.0.8059.79 to before 155.0.8059.79155.0.8059.79Patch availableCNA
  • Chrome VendorGoogle Affected 155.0.8059.79 to before 155.0.8059.79 Fixed in 155.0.8059.79 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 155.0.8059.79VulnerableGoogle
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 155.0.8059.79 Vulnerable ·Google

Remediation

Update Google Chrome to 155.0.8059.79 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Chrome (Google) Fixed in 155.0.8059.79

Fixed in the same release

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

  • Release ·

    Google Chrome 155.0.8059.79

    37 records Highest priority Priority MEDIUM 27 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2026-73722 Use after free in Google Chrome on Android allows code executionPriority MEDIUM 43
    • TI-2026-73718 Use after free in Google Chrome Network allows remote code executionPriority MEDIUM 43
    • TI-2026-73709 Heap-based buffer overflow in ANGLE in Google Chrome on AndroidPriority MEDIUM 43
    Show all 37 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-110160
  2. 2026-10-14 Alias added: GHSA-2mpf-g8rv-jrxf
  3. 2026-10-14 CVSS score added · CISA ADP
  4. 2026-10-14 CISA SSVC decision points changed
  5. 2026-10-15 Affected versions changed · Red Hat
  6. 2026-10-15 CVSS score added · Red Hat

References

Advisory 1

Other 1

  • 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