# CVE-2026-112982: Microsoft Account missing authentication for critical function

Source: https://junglewise.ai/threats/cve-2026-112982-missing-authentication-for-critical-function-in-microsoft  
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-2026-112982 · Severity: medium · CVSS 5.5 · Published 2026-11-10

Microsoft Account has a missing authentication check on a critical function that allows a local attacker with system access to tamper with account settings without proper verification. An attacker who gains local access to a computer could modify account configurations or data, potentially leading to account compromise or unauthorized changes.

Technologies: [Microsoft Account](https://junglewise.ai/threats/technologies/microsoft-account). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-112982 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-112982 being exploited in the wild.

**How severe is CVE-2026-112982?** Medium severity, with a CVSS score of 5.5, published 10 November 2026.

**Which products and versions are affected?** Microsoft Account.

**Is there a fix for CVE-2026-112982?** 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-2026-112982 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-112982?** Check whether you run Microsoft Account. 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 is a missing authentication control on a critical function in Microsoft Account, allowing local privilege escalation or tampering. An attacker must have local access to the affected system to exploit this vulnerability. Successful exploitation allows an attacker to perform unauthorized account modifications.

## Affected products

- Microsoft Account

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-112982](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-112982)

## Related threats

- [Microsoft Account improper access control](https://junglewise.ai/threats/cve-2026-112974-improper-access-control-in-microsoft-account-allows-an)
- [Microsoft Account race condition in concurrent execution](https://junglewise.ai/threats/cve-2026-85329-concurrent-execution-using-shared-resource-with-improper)
- [Microsoft Account heap buffer overflow privilege elevation](https://junglewise.ai/threats/cve-2026-83847-heap-based-buffer-overflow-in-microsoft-account-allows-an)
- [Microsoft Account heap buffer overflow remote code execution](https://junglewise.ai/threats/cve-2026-56165-microsoft-account-heap-buffer-overflow-remote-code-execution)