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

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. 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

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