CVE-2026-21513

Katalog CVE

CVSS 8.8 · High KEV · sudah dieksploitasi EPSS 15,9%

Kerentanan Protection Mechanism Failure pada microsoft windows 10 1607, microsoft windows 10 1809 +11 lainnya. Skor CVSS 3.1 8.8 (High) menurut microsoft.com. Masuk katalog KEV CISA pada 10 Februari 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

Rincian

Terbit di NVD

10 Februari 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

8.8 (High), sumber microsoft.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-693: Protection Mechanism Failure

EPSS (30 hari)

15,9% peluang dieksploitasi; lebih tinggi dari 96,8% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability

Masuk KEV

10 Februari 2026

Tenggat CISA

3 Maret 2026 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21513 advisory vendor
• https://www.vicarius.io/vsociety/posts/cve-2026-21513-mitigation-script-security-feature-bypass-vulnerability-... mitigasi · advisory pihak ketiga
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21513 pemerintah AS
• https://www.vicarius.io/vsociety/posts/cve-2026-21513-detection-script-security-feature-bypass-vulnerability-i... advisory pihak ketiga