CVE-2025-21391

Microsoft

KEV
  • Vendors: Microsoft

CVE-2025-21391 — https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21391 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21391

Related CVE by CWE

No closely related CVE found.

Risk snapshot

EPSS: n/a   |   KEV: not listed

Related CVE by CWE

No related CWE found.

Top CVE for Vendor

No items for this vendor.

Recently Exploited Similar Vulnerabilities

No recent KEV-listed items for this vendor/product.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21391 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21391

🧠 Explainer: What this vulnerability means

Summary: A flaw in the product from Microsoft (CWE: unspecified) can be exploited.

Impact: Attackers could gain unauthorized access, execute code, or disrupt services.

Mitigation: Apply the latest vendor patch or update to a fixed version; disable vulnerable modules where possible.

Microsoft

No explicit mitigation/advisory links found in references.