Quick answers
- Is CVE-2026-96177 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-96177 being exploited in the wild.
- How severe is CVE-2026-96177?
- High severity, with a CVSS score of 8.1, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows DNS Server.
- Is there a fix for CVE-2026-96177?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-96177 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-96177?
- Check whether you run Microsoft Windows DNS Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A use-after-free vulnerability in the Windows DNS Server component allows an unauthenticated remote attacker to execute code via network access. The vulnerability requires no user interaction or special authentication, making it directly exploitable from the network. Successful exploitation grants the attacker code execution in the context of the DNS service.
Affected products
- Microsoft Windows DNS Server
Timeline
- 2026-11-10: disclosed