CVE-2026-21525

medium · 6.2Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

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

Added 2026-02-10Remediation due 2026-03-03

Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.

6.2

CVSS

5.0%

EPSS (exploit prob.)

92nd

EPSS percentile

2026-02-10

Published

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-476

Affected products

Vendor	Product	Affected versions
microsoft	windows_10_1607	< 10.0.14393.8868
microsoft	windows_10_1607	< 10.0.14393.8868
microsoft	windows_10_1809	< 10.0.17763.8389
microsoft	windows_10_1809	< 10.0.17763.8389
microsoft	windows_10_21h2	< 10.0.19044.6937
microsoft	windows_10_21h2	< 10.0.19044.6937
microsoft	windows_10_21h2	< 10.0.19044.6937
microsoft	windows_10_22h2	< 10.0.19045.6937
microsoft	windows_10_22h2	< 10.0.19045.6937
microsoft	windows_10_22h2	< 10.0.19045.6937
microsoft	windows_11_23h2	< 10.0.22631.6649
microsoft	windows_11_23h2	< 10.0.22631.6649
microsoft	windows_11_24h2	< 10.0.26100.7781
microsoft	windows_11_24h2	< 10.0.26100.7781
microsoft	windows_11_25h2	< 10.0.26200.7781
microsoft	windows_11_25h2	< 10.0.26200.7781
microsoft	windows_server_2012	all versions
microsoft	windows_server_2012	r2
microsoft	windows_server_2016	< 10.0.14393.8868
microsoft	windows_server_2019	< 10.0.17763.8389
microsoft	windows_server_2022	< 10.0.20348.4711
microsoft	windows_server_2022_23h2	< 10.0.25398.2149
microsoft	windows_server_2025	< 10.0.26100.32313

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-21525