CVE-2022-26816
Published: 15 April 2022
Summary
CVE-2022-26816 is a medium-severity an unspecified weakness vulnerability in Microsoft Windows Server 2016. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 7.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-26816 is an information disclosure vulnerability affecting the Windows DNS Server component. It received a CVSS 3.1 base score of 6.5 with a vector indicating network attack reachability, low complexity, and low privileges required, resulting in high confidentiality impact without affecting integrity or availability.
An attacker with low-privileged network access can exploit the flaw to obtain sensitive information from the DNS server. The vulnerability requires no user interaction and can be triggered remotely over the network by an authenticated user.
Microsoft Security Response Center advisories at the referenced URLs describe available patches and mitigation guidance for the issue.
The associated EPSS score has remained flat at 0.0778 with no material increase observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-31366
Vulnerability details
Windows DNS Server Information Disclosure 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.