Security Update News
Update Information
| Title | Proactive Security and Insights for SharePoint Attacks (CVE-2025-53770 and CVE-2025-53771) |
|---|---|
| Update ID | TRENDMICROBLOG:782FF71168A1C8EACB496EA3C1C543D2 |
| Type | trendmicroblog |
| Published | 2025-07-22T00:00:00 |
| Last Updated | 2025-07-22T00:00:00 |
Security Impact
| CVSS Score | 9.8 |
|---|---|
| Severity | CRITICAL |
Affected CVEs
- CVE-2025-53770
- CVE-2025-53771
Update Details
CVE-2025-53770 and CVE-2025-53771 are vulnerabilities in on-premise Microsoft SharePoint Servers that evolved from previously patched flaws, allowing unauthenticated remote code execution through advanced deserialization and ViewState abuse.