# Microsoft Account vulnerabilities

Source: https://junglewise.ai/threats/technologies/microsoft-account  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/microsoft-account.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Microsoft Account: 2 in the last 7 days and 4 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-112982, was published on 10 November 2026. 2 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 2
- Last 30 days: 2
- Last 90 days: 4
- All time: 5 (1 critical, 0 exploited in the wild)

## About Microsoft Account

Microsoft Account is a single sign-on service that allows users to authenticate across various Microsoft services and applications.

## Latest Microsoft Account vulnerabilities

- [CVE-2026-112982: Microsoft Account missing authentication for critical function](https://junglewise.ai/threats/cve-2026-112982-missing-authentication-for-critical-function-in-microsoft) (medium, CVSS 5.5, published 10 Nov 2026)
- [CVE-2026-112974: Microsoft Account improper access control](https://junglewise.ai/threats/cve-2026-112974-improper-access-control-in-microsoft-account-allows-an) (medium, CVSS 5.5, published 10 Nov 2026)
- [CVE-2026-85329: Microsoft Account race condition in concurrent execution](https://junglewise.ai/threats/cve-2026-85329-concurrent-execution-using-shared-resource-with-improper) (high, CVSS 7, published 13 Oct 2026)
- [CVE-2026-83847: Microsoft Account heap buffer overflow privilege elevation](https://junglewise.ai/threats/cve-2026-83847-heap-based-buffer-overflow-in-microsoft-account-allows-an) (high, CVSS 7.8, published 13 Oct 2026)
- [CVE-2026-56165: Microsoft Account heap buffer overflow remote code execution](https://junglewise.ai/threats/cve-2026-56165-microsoft-account-heap-buffer-overflow-remote-code-execution) (critical, CVSS 9.8, published 24 Jul 2026)

## Most severe Microsoft Account vulnerabilities

- [CVE-2026-56165: Microsoft Account heap buffer overflow remote code execution](https://junglewise.ai/threats/cve-2026-56165-microsoft-account-heap-buffer-overflow-remote-code-execution) (critical, CVSS 9.8, published 24 Jul 2026)
- [CVE-2026-83847: Microsoft Account heap buffer overflow privilege elevation](https://junglewise.ai/threats/cve-2026-83847-heap-based-buffer-overflow-in-microsoft-account-allows-an) (high, CVSS 7.8, published 13 Oct 2026)
- [CVE-2026-85329: Microsoft Account race condition in concurrent execution](https://junglewise.ai/threats/cve-2026-85329-concurrent-execution-using-shared-resource-with-improper) (high, CVSS 7, published 13 Oct 2026)
- [CVE-2026-112982: Microsoft Account missing authentication for critical function](https://junglewise.ai/threats/cve-2026-112982-missing-authentication-for-critical-function-in-microsoft) (medium, CVSS 5.5, published 10 Nov 2026)
- [CVE-2026-112974: Microsoft Account improper access control](https://junglewise.ai/threats/cve-2026-112974-improper-access-control-in-microsoft-account-allows-an) (medium, CVSS 5.5, published 10 Nov 2026)

## Vulnerabilities per week

2 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 2 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 2 | 0 | 0 |

## Other Microsoft technologies

- [Microsoft Windows](https://junglewise.ai/threats/technologies/windows): 2,362 vulnerabilities
- [Microsoft Windows 10](https://junglewise.ai/threats/technologies/windows-10): 589 vulnerabilities
- [Microsoft Windows 11 24h2](https://junglewise.ai/threats/technologies/windows-11-24h2): 565 vulnerabilities
- [Microsoft Windows 11 25h2](https://junglewise.ai/threats/technologies/windows-11-25h2): 534 vulnerabilities
- [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025): 534 vulnerabilities
- [Microsoft Windows Server 2022](https://junglewise.ai/threats/technologies/windows-server-2022): 528 vulnerabilities
- [Microsoft Windows Server 2019](https://junglewise.ai/threats/technologies/windows-server-2019): 521 vulnerabilities
- [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012): 517 vulnerabilities
- [Microsoft Windows 11](https://junglewise.ai/threats/technologies/windows-11): 494 vulnerabilities
- [Microsoft Windows Server 2016](https://junglewise.ai/threats/technologies/windows-server-2016): 476 vulnerabilities
- [Microsoft Windows 10 1809](https://junglewise.ai/threats/technologies/windows-10-1809): 380 vulnerabilities
- [Microsoft Windows 10 21h2](https://junglewise.ai/threats/technologies/windows-10-21h2): 373 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Microsoft Account vulnerabilities", https://junglewise.ai/threats/technologies/microsoft-account, 13 November 2026.
