Read the docs
TI-2016-02854 Aliases CVE-2016-3388GHSA-c7mr-44hx-9566

Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access…

Priority MEDIUM 46CWE-264Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-264.

Summary

Microsoft Internet Explorer 10 and 11 and Microsoft Edge do not properly restrict access to private namespaces, which allows remote attackers to gain privileges via unspecified vectors, aka "Microsoft Browser Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-3387.

Why it matters now

EPSS 0.27587 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*10VulnerableMicrosoft
cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:*11VulnerableMicrosoft
  • cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:* Versions 11 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-3388
  2. 2026-10-03 Alias added: GHSA-c7mr-44hx-9566

References

Exploit 1

Advisory 2

  • TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2020-12621 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 761 →

Sources

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