CVE-2026-45659
Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 8.8
- EPSS
- 2.78% 백분위 84.6% · 2026.07.01 기준
- CISA KEV
- 등록
- 조치 기한
- 2026.07.04
- 공개일
- 2026.05.23
CISA KEV에 등록된 실제 악용 확인 취약점
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
제품 Microsoft SharePoint Server
영향 버전 Microsoft SharePoint Server 16.0.0, < 16.0.19725.20280, 2016, 2019
수정 버전 Microsoft SharePoint Server 16.0.19725.20280
공식 근거와 일반 실무 절차를 구분해 제공합니다.
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.
조치 기한: 2026.07.04CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-502
KEV 등록일 2026.07.01
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45659 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-45659
EPSS 데이터 기준일 2026.07.01