CVE-2026-70111: Windows Kernel untrusted pointer dereference privilege escalation

CVE-2026-70111 · Severity: high · CVSS 8.1 · Published 2026-10-13

A flaw in Windows Kernel allows a remote attacker to gain administrative privileges on an affected system without authorization. This could allow an attacker to take complete control of a Windows machine, install malware, steal sensitive data, or use it as a launching point for further attacks on a corporate network.

Technologies: Microsoft Windows Kernel. Vendors: Microsoft.

Quick answers

Is CVE-2026-70111 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-70111 being exploited in the wild.
How severe is CVE-2026-70111?
High severity, with a CVSS score of 8.1, published 13 October 2026.
Which products and versions are affected?
Microsoft Windows Kernel.
Is there a fix for CVE-2026-70111?
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-2026-70111 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2026-70111?
Check whether you run Microsoft Windows Kernel. 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 untrusted pointer dereference vulnerability in the Windows Kernel allows remote privilege escalation. The flaw can be triggered over the network, allowing an attacker to dereference memory locations that have not been properly validated, leading to kernel code execution and privilege elevation to SYSTEM level.

Affected products

  • Microsoft Windows Kernel

Timeline

  • 2026-10-13: disclosed

References

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