# CVE-2026-122169: Microsoft Windows IKE Extension access control bypass allows spoofing

Source: https://junglewise.ai/threats/cve-2026-122169-insufficient-granularity-of-access-control-in-windows-ike  
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-2026-122169 · Severity: high · CVSS 7.5 · Published 2026-11-10

Windows IKE Extension is a system component that manages encrypted network connections used for VPN and secure communications. A flaw in its access controls allows an authorized local user to spoof network traffic, potentially enabling them to impersonate other systems or users on the network. This could lead to unauthorized access to network resources or interception of sensitive communications.

Technologies: [Microsoft Windows IKE Extension](https://junglewise.ai/threats/technologies/windows-ike-extension). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-122169 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-122169 being exploited in the wild.

**How severe is CVE-2026-122169?** High severity, with a CVSS score of 7.5, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows IKE Extension.

**Is there a fix for CVE-2026-122169?** 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-2026-122169 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-122169?** Check whether you run Microsoft Windows IKE Extension. 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

The vulnerability exists in insufficient granularity of access control mechanisms within the Windows IKE (Internet Key Exchange) Extension. An authenticated local attacker can exploit this to perform spoofing attacks without requiring additional privileges. The flaw allows bypassing intended security restrictions on IKE configuration or state manipulation.

## Affected products

- Microsoft Windows IKE Extension

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122169](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122169)

## Related threats

- [Microsoft Windows IKE Extension out-of-bounds read](https://junglewise.ai/threats/cve-2026-83521-out-of-bounds-read-in-windows-ike-extension-allows-an-authorized)
- [Microsoft Windows IKE Extension null pointer dereference](https://junglewise.ai/threats/cve-2026-69881-microsoft-windows-ike-extension-null-pointer-dereference)
- [Microsoft Windows IKE Extension null pointer dereference](https://junglewise.ai/threats/cve-2026-69587-microsoft-windows-ike-extension-null-pointer-dereference)
- [Microsoft Windows IKE Extension heap buffer overflow](https://junglewise.ai/threats/cve-2026-69429-microsoft-windows-ike-extension-heap-buffer-overflow)