CVE-2025-30378
CVSS v3
7
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
Technical details
- Published
- 2025-05-13
- Last Modified
- 2025-05-14
Frequently asked questions
What is CVE-2025-30378?
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
Is CVE-2025-30378 actively exploited?
Active exploitation of CVE-2025-30378 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-30378?
CVE-2025-30378 has a CVSS v3 base score of 7 (HIGH severity).
Is CVE-2025-30378 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2025 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).
- CVE-2025-53770KEVMicrosoft SharePoint Server Remote Code Execution Vulnerability
- CVE-2025-49704KEVMicrosoft SharePoint Remote Code Execution Vulnerability
- CVE-2025-3248KEV
- CVE-2025-22457KEV
- CVE-2025-59287KEV
- CVE-2025-0282KEV
- CVE-2025-31161KEV
- CVE-2025-5777KEVNetScaler ADC and NetScaler Gateway - Insufficient input validation leading to memory overread