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TI-2025-30996 Aliases CVE-2025-48809GHSA-58c9-xg8g-x33q

Windows Secure Kernel Mode Information Disclosure Vulnerability

Priority LOW 25CWE-1037Published · Updated

Key facts

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

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

Summary

Processor optimization removal or modification of security-critical code in Windows Kernel allows an authorized attacker to disclose information locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00509 43rd percentileScored 2026-11-07
Fix Fixed Microsoft: 1 update

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
MicrosoftWindows 11 Version 24H210.0.26100.0 to before 10.0.26100.465210.0.26100.4652Patch availableCNA
MicrosoftWindows Server 202510.0.26100.0 to before 10.0.26100.465210.0.26100.4652Patch availableCNA
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to before 10.0.26100.465210.0.26100.4652Patch availableCNA
  • Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4652 Fixed in 10.0.26100.4652 Patch available CNA
  • Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4652 Fixed in 10.0.26100.4652 Patch available CNA
  • Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4652 Fixed in 10.0.26100.4652 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*before 10.0.26100.4652VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*before 10.0.26100.4652VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* Versions before 10.0.26100.4652 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.4652 Vulnerable ·Microsoft

Remediation

Microsoft 1 update

  • KB5062553
    Security Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.4652
    • Windows 11 Version 24H2 for x64-based Systems 0.0.26200.4652, 10.0.26100.4652
    • Windows Server 2025 10.0.26100.4652
    • Windows Server 2025 (Server Core installation) 10.0.26100.4652

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Information Disclosure
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-48809
  2. 2026-10-03 Alias added: GHSA-58c9-xg8g-x33q

References

Patch 1

  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-73128 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2026-17367 MSHTML Framework Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2026-17364 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
See all 3558 →

Sources

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