Microsoft Windows Link Following Vulnerability

CVE-2026-81963 High CVSS 7.8 In-The-Wild Exploited
Beranda Advisories CVE-2026-81963

Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026
Microsoft Windows Update Stack contains a link following vulnerability that allows a local attacker to escalate privileges locally up to SYSTEM.

Tindakan Mitigasi yang Wajib Diterapkan (Required Action)

Instruksi Keamanan untuk Pengelola TI / OPD
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Seluruh pengelola server dan aplikasi di lingkungan OPD Kabupaten Ciamis diimbau untuk segera mengaudit perangkat terdampak dan mengaplikasikan patch sebelum batas waktu mitigasi.

Produk & Versi Terdampak

Produk Versi Basis Batas Terdampak Status Keamanan
Windows 11 version 23H2 10.0.22631.0 10.0.22631.7582 AFFECTED
Windows 11 Version 23H2 10.0.22631.0 10.0.22631.7582 AFFECTED
Windows 11 Version 24H2 10.0.26100.0 10.0.26100.9445 AFFECTED
Windows 11 Version 25H2 10.0.26200.0 10.0.26200.9445 AFFECTED
Windows 11 version 26H1 10.0.28000.0 10.0.28000.2954 AFFECTED
Windows Server 2025 10.0.26100.0 10.0.26100.33438 AFFECTED
Windows Server 2025 (Server Core installation) 10.0.26100.0 10.0.26100.33438 AFFECTED

Threat Intelligence Matrix

CVE Identifier
CVE-2026-81963
Vendor / Project Microsoft
Produk Terdampak Windows
Skor CVSS
7.8 / 10.0
Status Eksploitasi AKTIF (In-The-Wild)
Kampanye Ransomware Tidak Diketahui
Automatable (Wormable) Unknown
Dampak Teknis Total
Sumber Intelijen CISA KEV

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