CVE-2025-21364
HIGHCVSS 7.8/10EPSS 1.57%
Last modified
CVE-2025-21364 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Microsoft Excel Security Feature Bypass Vulnerability. EPSS estimates a 1.57% chance of exploitation in the next 30 days.
Description
Microsoft Excel Security Feature Bypass Vulnerability
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | 365 Apps | All versions |
| Microsoft | Office Long Term Servicing Channel | 2024 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21364Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-21364?
Microsoft Excel Security Feature Bypass Vulnerability
How severe is CVE-2025-21364?
CVE-2025-21364 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.
How do I fix CVE-2025-21364?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-21359Windows Kernel Security Feature Bypass Vulnerability7.8
- CVE-2025-2136Use after free in Inspector in Google Chrome prior to 134.0.…8.8
- CVE-2025-21360Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerabil…7.8
- CVE-2025-21361Microsoft Outlook Remote Code Execution Vulnerability7.8
- CVE-2025-21362Microsoft Excel Remote Code Execution Vulnerability8.4
- CVE-2025-21363Microsoft Word Remote Code Execution Vulnerability7.8
- CVE-2025-21365Microsoft Office Remote Code Execution Vulnerability7.8
- CVE-2025-21366Microsoft Access Remote Code Execution Vulnerability7.8
- CVE-2025-21367Windows Win32 Kernel Subsystem Elevation of Privilege Vulner…7.8
- CVE-2025-21368Microsoft Digest Authentication Remote Code Execution Vulner…8.8
- CVE-2025-21369Microsoft Digest Authentication Remote Code Execution Vulner…8.8
- CVE-2025-2137Out of bounds read in V8 in Google Chrome prior to 134.0.699…8.8
Are you affected by CVE-2025-21364?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST