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TI-2025-21206 Aliases CVE-2025-29795GHSA-qc66-3q9c-grv6

Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability

Priority LOW 36CWE-59Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00408 35th percentileScored 2026-11-07
Fix Fixed Microsoft Edge Update Setup (Microsoft): 1.3.195.45

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
MicrosoftMicrosoft Edge Update Setup1.0.0.0 to before 1.3.195.451.3.195.45Patch availableCNA
  • Microsoft Edge Update Setup VendorMicrosoft Affected 1.0.0.0 to before 1.3.195.45 Fixed in 1.3.195.45 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge_update:*:*:*:*:*:*:*:*before 1.3.195.45VulnerableMicrosoft
  • cpe:2.3:a:microsoft:edge_update:*:*:*:*:*:*:*:* Versions before 1.3.195.45 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft Edge Update Setup (Microsoft) Fixed in 1.3.195.45

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft Edge Update SetupFixed 1.3.195.45 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-29795
  2. 2026-10-03 Alias added: GHSA-qc66-3q9c-grv6

References

Patch 1

  • TI-2025-29765 Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.8
  • TI-2025-15364 Microsoft Edge (Chromium-based) Update Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.4

Sources

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