📌 이 취약점에 대해 확인된 사실
전부 발행처가 발표한 값입니다. 우리가 계산하거나 판단한 숫자는 하나도 없습니다.
악용 여부
랜섬웨어 악용
2025-07-20
2025-07-21
확인됨
심각도 (발행처 발표값)
심각9.8
3.1
secure@microsoft.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
악용 확률 (EPSS)
100.0%
100.00%
100.0%
2026-11-02
📄 원문 그대로
아래 문장은 전부 발행처가 쓴 것입니다. 번역하지 않습니다 — 보안 문서의 오역은 조치를 바꿉니다.
취약점 설명 (NVD)
Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing and fully testing a comprehensive update to address this vulnerability. In the meantime, please make sure that the mitigation provided in this CVE documentation is in place so that you are protected from exploitation.
CISA 원문
Microsoft SharePoint Server on-premises contains a deserialization of untrusted data vulnerability that could allow an unauthorized attacker to execute code over a network. This vulnerability could be chained with CVE-2025-53771. CVE-2025-53770 is a patch bypass for CVE-2025-49704, and the updates for CVE-2025-53770 include more robust protection than those for CVE-2025-49704.— CISA KEV · shortDescription 원문
Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.— CISA KEV · requiredAction 원문
악용 확률 변화
우리가 매일 저장한 EPSS 스냅샷입니다. 원본은 전날 값만 주므로, 이 표는 수집을 시작한 이후만 보여줍니다.
| 기준일 | 확률 | 백분위 |
|---|---|---|
| 2026-11-02 | 100.00% | 100.0% |
| 2026-11-01 | 100.00% | 100.0% |
| 2026-10-31 | 100.00% | 100.0% |
| 2026-10-30 | 100.00% | 100.0% |
| 2026-10-29 | 100.00% | 100.0% |
| 2026-10-28 | 100.00% | 100.0% |
| 2026-10-27 | 100.00% | 100.0% |
| 2026-10-26 | 100.00% | 100.0% |
| 2026-10-25 | 100.00% | 100.0% |
| 2026-10-24 | 100.00% | 100.0% |
| 2026-10-23 | 100.00% | 100.0% |
| 2026-10-22 | 100.00% | 100.0% |
| 2026-10-21 | 100.00% | 100.0% |
| 2026-10-20 | 100.00% | 100.0% |
● 실제 악용이 확인됨CVE-2026-96951Microsoft Windows Command Injection Vulnerability9.8%높음8.8● 실제 악용이 확인됨CVE-2026-65660Microsoft SharePoint Code Injection Vulnerability8.2%높음8.8● 실제 악용이 확인됨CVE-2026-85880Microsoft Windows Heap-Based Buffer Overflow Vulnerability0.4%높음7.8● 실제 악용이 확인됨CVE-2026-81963Microsoft Windows Link Following Vulnerability0.4%높음7.8
🧩 같은 약점 유형 — CWE-502
같은 분류의 다른 취약점입니다. 같은 실수가 제품을 가리지 않고 반복됩니다.
● 랜섬웨어 캠페인에 사용됨CVE-2021-44228Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) …100.0%심각10.0● 랜섬웨어 캠페인에 사용됨CVE-2023-0669Fortra (formerly, HelpSystems) GoAnywhere MFT suffers from a pre-authentication command injecti…100.0%높음7.2● 랜섬웨어 캠페인에 사용됨CVE-2021-35464ForgeRock AM server before 7.0 has a Java deserialization vulnerability in the jato.pageSession…100.0%심각9.8● 랜섬웨어 캠페인에 사용됨CVE-2023-46604The Java OpenWire protocol marshaller is vulnerable to Remote Code Execution. This vulnerabilit…100.0%심각9.8
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