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Microsoft Defender Insufficient Granularity of Access Control Vulnerability

CVE-2026-33825 High CVSS 7.8 In-The-Wild Exploited Ransomware Known

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Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026

Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate 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 Defender Antimalware Platform	4.0.0.0	4.18.26030.3011	AFFECTED

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Threat Intelligence Matrix

CVE Identifier

CVE-2026-33825

Vendor / Project Microsoft

Produk Terdampak Defender

Skor CVSS

7.8 / 10.0

Status Eksploitasi AKTIF (In-The-Wild)

Kampanye Ransomware Teridentifikasi (Known)

Automatable (Wormable) Unknown

Dampak Teknis Total

Sumber Intelijen CISA KEV

Butuh Pendampingan Mitigasi?

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CVE-2026-109619 Critical

RCE via stale global state

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