CVE-2022-26826
Published: 15 April 2022
Summary
CVE-2022-26826 is a high-severity Command Injection (CWE-77) vulnerability in Microsoft Windows 10. Its CVSS base score is 7.2 (High).
Operationally, ranked in the top 23.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Windows DNS Server is affected by a remote code execution vulnerability tracked as CVE-2022-26826. The flaw received a CVSS 7.2 rating reflecting network attack vectors, low complexity, and the requirement for high privileges, with impacts allowing full confidentiality, integrity, and availability compromise.
An attacker with high privileges on the affected DNS server can exploit the issue over the network to achieve remote code execution. This enables complete takeover of the DNS service and potentially the underlying Windows system, though user interaction is not required.
Microsoft published guidance for the vulnerability through its Security Response Center, directing administrators to the update guide for patch and mitigation details. The associated EPSS score rose from a low baseline to a peak of 0.1121 in late 2025 before receding, indicating a period of increased exploitation interest after initial disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-31376
Vulnerability details
Windows DNS Server Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.