Microsoft · SharePoint
CVE-2026-50522
Microsoft SharePoint Remote Code Execution Vulnerability
무엇인가
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
CISA: Microsoft SharePoint contains a deserialization of untrusted data vulnerability which could allow an unauthorized attacker to execute code over a network.
할 일
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.
미국 연방 기관 조치 기한: 2026년 7월 25일
Microsoft의 다른 악용된 결함
| 추가됨 | 취약점 | 제품 | 심각도 | 공격 가능성 |
|---|---|---|---|---|
| 2026. 9. 25. | Code Injection | SharePoint | 높음 8.8 | 8.2% |
| 2026. 8. 18. | Weak Authentication | SharePoint | 치명적 9.1 | 70% |
| 2026. 7. 16. | Deserialization of Untrusted Data | SharePoint | 치명적 9.8 | 16% |
| 2026. 3. 18. | Deserialization of Untrusted Data | SharePoint | 치명적 9.8 | 29% |
| 2025. 7. 22. | Code Injection | SharePoint | 높음 8.8 | >99.9% |
| 2025. 7. 22. | Improper Authentication | SharePoint | 보통 6.5 | 99.1% |
| 2025. 7. 20. | Deserialization of Untrusted Data | SharePoint | 치명적 9.8 | >99.9% |
| 2024. 10. 22. | Deserialization | SharePoint | 높음 7.2 | 51% |
출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.