CVE-2023-29360MicrosoftOperating systemsFebruary 29, 2024

Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability

High 8.4Actively exploited

Description

Microsoft Streaming Service contains an untrusted pointer dereference vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Details

Vendor
Microsoft
Product
Microsoft Streaming Service
CVE
CVE-2023-29360
Affected versions
Windows 10 Version 1809 10.0: from 10.0.17763.0 to 10.0.17763.4499 (excluded); from 10.0.0 to 10.0.17763.4499 (excluded) — fixed in 10.0.17763.4499
Windows Server 2019 10.0: from 10.0.17763.0 to 10.0.17763.4499 (excluded) — fixed in 10.0.17763.4499
Windows Server 2019 (Server Core installation) 10.0: from 10.0.17763.0 to 10.0.17763.4499 (excluded) — fixed in 10.0.17763.4499
Windows Server 2022 10.0: from 10.0.20348.0 to 10.0.20348.1787 (excluded) — fixed in 10.0.20348.1787
Windows 11 version 21H2 10.0: from 10.0.0 to 10.0.22000.2057 (excluded) — fixed in 10.0.22000.2057
Windows 10 Version 21H2 10.0: from 10.0.19043.0 to 10.0.19044.3086 (excluded) — fixed in 10.0.19044.3086
Windows 11 version 22H2 10.0: from 10.0.22621.0 to 10.0.22621.1848 (excluded) — fixed in 10.0.22621.1848
Windows 10 Version 22H2 10.0: from 10.0.19045.0 to 10.0.19045.3086 (excluded) — fixed in 10.0.19045.3086
Windows 10 Version 1607 10.0: from 10.0.14393.0 to 10.0.14393.5989 (excluded) — fixed in 10.0.14393.5989
Windows Server 2016 10.0: from 10.0.14393.0 to 10.0.14393.5989 (excluded) — fixed in 10.0.14393.5989
Windows Server 2016 (Server Core installation) 10.0: from 10.0.14393.0 to 10.0.14393.5989 (excluded) — fixed in 10.0.14393.5989 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
8.4
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
March 21, 2024 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
February 29, 2024

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

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