CVE-2026-55040
CISA 기관 조치 기한: 2026-08-21
Microsoft SharePoint
Qualys 위협 인텔 · 심각도 5/5 · QID 110529 · Office Application
공개 익스플로잇
실제 공격 관측
측면이동
쉬운 악용
대량 데이터 유출
서비스 거부
권한상승
원격코드실행
CISA KEV
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
KEV 필수 조치: 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.
벡터: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N