CVE-2026-20963

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi EPSS 29,2%

Kerentanan Deserialization of Untrusted Data pada microsoft sharepoint server. Skor CVSS 3.1 9.8 (Critical) menurut microsoft.com. Masuk katalog KEV CISA pada 18 Maret 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Rincian

Terbit di NVD

13 Januari 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-502: Deserialization of Untrusted Data

EPSS (30 hari)

29,2% peluang dieksploitasi; lebih tinggi dari 98,1% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Masuk KEV

18 Maret 2026

Tenggat CISA

21 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-2026-20963 advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20963 pemerintah AS