CVE-2026-21525

Microsoft Windows NULL Pointer Dereference Vulnerability

Added to CISA KEV: 2026-02-10

By FixTheVuln Team Sources: CISA KEV Catalog, NVD
CVSS 6.2 — MEDIUM ACTIVE
CWE-476

Description

Microsoft Windows Remote Access Connection Manager contains a NULL pointer dereference that could allow an...

Required Action

Fix: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

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Frequently Asked Questions

What is CVE-2026-21525?

CVE-2026-21525 (Microsoft Windows NULL Pointer Dereference Vulnerability) is a vulnerability with a CVSS score of 6.2 (MEDIUM). Microsoft Windows Remote Access Connection Manager contains a NULL pointer dereference that could allow an...

How do I fix CVE-2026-21525?

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

How severe is CVE-2026-21525?

CVE-2026-21525 has a CVSS score of 6.2, classified as MEDIUM. This vulnerability is in the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been actively exploited in the wild.

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