# CVE-2023-29360: Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability

Source: https://junglewise.ai/threats/cve-2023-29360-microsoft-streaming-service-untrusted-pointer-dereference  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-02-29. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2023-29360 · Severity: critical · CVSS 8.4 · Exploited in the wild · Published 2024-02-29

Microsoft Streaming Service contains an untrusted pointer dereference vulnerability (CWE-822) that allows for local privilege escalation. A successful exploit enables an attacker to gain SYSTEM privileges on the affected Windows operating system.

Technologies: [Microsoft Streaming Service](https://junglewise.ai/threats/technologies/streaming-service). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2023-29360 exploited in the wild?** Yes. CVE-2023-29360 is known to be exploited in the wild, first recorded on 29 February 2024. Treat it as urgent.

**How severe is CVE-2023-29360?** Critical severity, with a CVSS score of 8.4, published 29 February 2024.

**Which products and versions are affected?** Microsoft Windows 10 1607, 1809, 21H2, 22H2; Microsoft Windows 11 21H2, 22H2; Microsoft Windows Server 2016, 2019, 2022.

**Is there a fix for CVE-2023-29360?** 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-2023-29360 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2023-29360?** Check whether you run Microsoft Streaming Service. 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.

## Affected products

- Microsoft Windows 10 1607, 1809, 21H2, 22H2
- Microsoft Windows 11 21H2, 22H2
- Microsoft Windows Server 2016, 2019, 2022

## Timeline

- 2023-06-13: disclosed: Initial Microsoft advisory publication date (implied by CVE year and patch cycle)
- 2024-02-29: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2024-02-29: advisory: NVD publication date
- 2024-03-21: other: CISA due date for remediation
- 2024-02-29: exploited: Confirmed exploited in the wild per CISA KEV entry

## Related threats

- [Microsoft Streaming Service heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-119937-heap-based-buffer-overflow-in-microsoft-streaming-service-allows)
- [Microsoft Streaming Service heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-69970-heap-based-buffer-overflow-in-microsoft-streaming-service-allows)
- [Microsoft Streaming Service integer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-69966-integer-overflow-or-wraparound-in-microsoft-streaming-service)
- [Microsoft Streaming Service use after free privilege escalation](https://junglewise.ai/threats/cve-2026-69964-use-after-free-in-microsoft-streaming-service-allows-an)
- [Microsoft Streaming Service heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-69963-heap-based-buffer-overflow-in-microsoft-streaming-service-allows)