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TI-2026-78205 Aliases CVE-2026-113031GHSA-5hx8-8vqr-6wqp

Uninitialized resource in Chrome Media on Windows allows sandbox memory read

Priority MEDIUM 40CWE-908Published · Updated

Key facts

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

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

Summary

Google Chrome on Windows contains an uninitialized resource in Media, classified as CWE-908 (Use of Uninitialized Resource). A remote attacker who has compromised the renderer process can use a crafted HTML page to potentially read memory outside the sandbox. The CVSS 3.1 base score is 8.8 (HIGH), and the Chromium security severity is Medium. CISA has not added the flaw to KEV, though the references include an exploit link.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

Uninitialized resource in Media in Google Chrome on on Windows prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to potentially read memory outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0038 32nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Chrome (Google): 156.0.8078.47

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
GoogleChrome156.0.8078.47 to before 156.0.8078.47156.0.8078.47Patch availableCNA
  • Chrome VendorGoogle Affected 156.0.8078.47 to before 156.0.8078.47 Fixed in 156.0.8078.47 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 156.0.8078.47VulnerableGoogle
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 156.0.8078.47 Vulnerable ·Google

Remediation

Update Google Chrome on Windows to 156.0.8078.47 or later. Versions prior to 156.0.8078.47 are affected.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

  • Fix · CNA Chrome (Google) Fixed in 156.0.8078.47

Fixed in the same release

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

  • Release ·

    Google Chrome 156.0.8078.47

    353 records Highest priority Priority HIGH 10 HIGH, 292 MEDIUM, 51 LOW

    Other records, highest priority first

    • TI-2026-78505 Observable discrepancy in Google Chrome Controls leaks sensitive dataPriority HIGH 73
    • TI-2026-78321 Input validation flaw in Google Chrome WebShare allows sandbox escapePriority HIGH 73
    • TI-2026-78320 Chrome PerformanceAPIs flaw lets web pages read cross-origin dataPriority HIGH 73
    Show all 353 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-113031
  2. 2026-10-21 Alias added: GHSA-5hx8-8vqr-6wqp
  3. 2026-10-22 Priority changed: LOW → MEDIUM
  4. 2026-10-22 Affected versions changed · Red Hat
  5. 2026-10-22 CVSS score added · Red Hat
  6. 2026-11-03 Title updated · CNA
  7. 2026-11-03 Weakness changed · CNA

References

Exploit 1

Advisory 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