# CVE-2026-118146: Microsoft Active Directory Domain Services authorization bypass

Source: https://junglewise.ai/threats/cve-2026-118146-incorrect-authorization-in-active-directory-domain-services  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-118146 · Severity: high · CVSS 8.8 · Published 2026-11-10

Active Directory Domain Services, which manages user identities and access across corporate networks, contains an authorization flaw that allows an authenticated attacker to execute arbitrary code remotely. This could enable an attacker with legitimate credentials to gain deeper control within the network infrastructure.

Technologies: [Microsoft Active Directory Domain Services](https://junglewise.ai/threats/technologies/active-directory-domain-services). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-118146 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-118146 being exploited in the wild.

**How severe is CVE-2026-118146?** High severity, with a CVSS score of 8.8, published 10 November 2026.

**Which products and versions are affected?** Microsoft Active Directory Domain Services.

**Is there a fix for CVE-2026-118146?** 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-2026-118146 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-118146?** Check whether you run Microsoft Active Directory Domain Services. 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

An incorrect authorization check in Active Directory Domain Services permits an authenticated network attacker to achieve remote code execution. The vulnerability requires an attacker to already possess valid credentials to the domain, but once exploited allows arbitrary code execution on domain controllers or other AD infrastructure.

## Affected products

- Microsoft Active Directory Domain Services

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118146](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118146)

## Related threats

- [Microsoft Active Directory Domain Services authentication bypass](https://junglewise.ai/threats/cve-2026-118735-weak-authentication-in-active-directory-domain-services-allows)
- [Microsoft Active Directory Domain Services privilege elevation](https://junglewise.ai/threats/cve-2026-118148-improper-authentication-in-active-directory-domain-services)
- [Microsoft Active Directory Domain Services out-of-bounds read](https://junglewise.ai/threats/cve-2026-105568-out-of-bounds-read-in-active-directory-domain-services-allows-an)
- [Microsoft Active Directory Domain Services out-of-bounds write](https://junglewise.ai/threats/cve-2026-88165-out-of-bounds-write-in-active-directory-domain-services-allows-an)
- [Microsoft Active Directory Domain Services out-of-bounds read](https://junglewise.ai/threats/cve-2026-83667-out-of-bounds-read-in-active-directory-domain-services-allows-an)