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TI-2026-84753 Aliases CVE-2026-121217GHSA-fgh2-xv6h-w6w3

Use after free in Google Chrome Streaming enables code execution

Priority LOW 34CWE-416Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Code execution
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-416 and the CVSS impact.

Summary

Google Chrome versions prior to 157.0.8103.38 are affected. A use after free (CWE-416) in the Streaming component lets memory be used after it is released. An adjacent attacker can execute arbitrary code inside the sandbox by sending crafted network traffic.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Use after free in Streaming in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00125 2nd percentileScored 2026-11-07
Fix Fixed Chrome (Google): 157.0.8103.38

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

VendorProductAffected versionsFixed inStatusSource
GoogleChrome157.0.8103.38 to before 157.0.8103.38157.0.8103.38Patch availableCNA
  • Chrome VendorGoogle Affected 157.0.8103.38 to before 157.0.8103.38 Fixed in 157.0.8103.38 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 157.0.8103.38VulnerableGoogle
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 157.0.8103.38 Vulnerable ·Google

Remediation

Update Google Chrome to version 157.0.8103.38 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA Chrome (Google) Fixed in 157.0.8103.38

Fixed in the same release

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

  • Release ·

    Google Chrome 157.0.8103.38

    213 records Highest priority Priority MEDIUM 96 MEDIUM, 117 LOW

    Other records, highest priority first

    • TI-2026-84793 Use after free in Chrome TabStrip lets remote attackers run codePriority MEDIUM 43
    • TI-2026-84786 Use after free in Google Chrome Extensions allows code executionPriority MEDIUM 43
    • TI-2026-84785 Buffer overflow in ANGLE in Google Chrome allows code executionPriority MEDIUM 43
    Show all 213 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-121217
  2. 2026-11-03 Alias added: GHSA-fgh2-xv6h-w6w3
  3. 2026-11-04 Affected versions changed · Red Hat
  4. 2026-11-04 CVSS score added · Red Hat
  5. 2026-11-04 CVSS score added · CISA ADP
  6. 2026-11-04 CISA SSVC decision points changed
  7. 2026-11-05 CISA SSVC decision points changed

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