MEDIUM
CVE-2026-21525
CVSS
6.2
KEV
Description
Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.
Summary dbcve.org
A null pointer dereference vulnerability exists in Windows Remote Access Connection Manager that allows a local unauthenticated attacker to cause a denial of service by triggering the service to dereference a null pointer, resulting in a crash.
Mitigation
Apply vendor-supplied Windows security patches for the Remote Access Connection Manager component to address the null pointer dereference vulnerability.
Weakness (CWE)
CWE-476
NULL Pointer Dereference
EPSS Score
5.04%
Probability of exploitation in next 30 days
91.9th percentile
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21525
Vendor Advisory
https://www.vicarius.io/vsociety/posts/cve-2026-21525-detection-script-dos-vulnerability-in-windows-remote-access-connection-manager
Third Party Advisory
https://www.vicarius.io/vsociety/posts/cve-2026-21525-mitigation-script-dos-vulnerability-in-windows-remote-access-connection-manager
Mitigation, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21525
US Government Resource
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.