# CVE-2026-113842: Windows Security Center use-after-free privilege escalation

Source: https://junglewise.ai/threats/cve-2026-113842-use-after-free-in-windows-security-center-allows-an-authorized  
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-2026-113842 · Severity: high · CVSS 7 · Published 2026-11-10

Windows Security Center, a component that monitors and manages system protection on Windows computers, contains a use-after-free vulnerability that could allow an authorized local user to escalate their privileges to administrator or system level. An attacker with legitimate user credentials could exploit this flaw to gain elevated access and compromise the entire computer.

Technologies: [Microsoft Windows Security Center](https://junglewise.ai/threats/technologies/windows-security-center). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-113842 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-113842 being exploited in the wild.

**How severe is CVE-2026-113842?** High severity, with a CVSS score of 7, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows Security Center.

**Is there a fix for CVE-2026-113842?** 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-2026-113842 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2026-113842?** Check whether you run Microsoft Windows Security Center. 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 condition exists in Windows Security Center, allowing an authenticated local attacker to trigger memory corruption. The vulnerability requires local access and existing user authorization; exploitation leads to privilege escalation from user to system or administrator level. A patch is available from Microsoft.

## Affected products

- Microsoft Windows Security Center

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-113842](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-113842)

## Related threats

- [Windows Security Center privilege elevation via improper channel restriction](https://junglewise.ai/threats/cve-2026-70212-improper-restriction-of-communication-channel-to-intended)
- [Microsoft Windows Security Center use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-77899-microsoft-windows-security-center-use-after-free-privilege)