Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability

CVE-2026-21514 High CVSS 7.8 In-The-Wild Exploited
Beranda Advisories CVE-2026-21514

Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026
Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.

Tindakan Mitigasi yang Wajib Diterapkan (Required Action)

Instruksi Keamanan untuk Pengelola TI / OPD
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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
Microsoft 365 Apps for Enterprise 16.0.1 https://aka.ms/OfficeSecurityReleases AFFECTED
Microsoft Office LTSC 2021 16.0.1 https://aka.ms/OfficeSecurityReleases AFFECTED
Microsoft Office LTSC 2024 16.0.0 https://aka.ms/OfficeSecurityReleases AFFECTED
Microsoft Office LTSC for Mac 2021 16.0.1 16.106.26020821 AFFECTED
Microsoft Office LTSC for Mac 2024 16.0.0 16.106.26020821 AFFECTED

Threat Intelligence Matrix

CVE Identifier
CVE-2026-21514
Vendor / Project Microsoft
Produk Terdampak Office
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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