CVEs / CVE-2023-29360
CVE-2023-29360: Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability
- Known exploited in the CISA KEV catalog since 29 Feb 2024
- high 8.4 CVSS 3.1 (from the CNA)
- EPSS 21.6% chance of exploitation in the next 30 days, higher than 97% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Streaming Service contains an untrusted pointer dereference vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.
Description
Microsoft Streaming Service Elevation of Privilege Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.4499 | 10.0.17763.4499 |
| Microsoft Windows 10 Version 1809 | from 10.0.0, before 10.0.17763.4499 | 10.0.17763.4499 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.4499 | 10.0.17763.4499 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.4499 | 10.0.17763.4499 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.1787 | 10.0.20348.1787 |
| Microsoft Windows 11 version 21H2 | from 10.0.0, before 10.0.22000.2057 | 10.0.22000.2057 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19044.3086 | 10.0.19044.3086 |
| Microsoft Windows 11 version 22H2 | from 10.0.22621.0, before 10.0.22621.1848 | 10.0.22621.1848 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0, before 10.0.19045.3086 | 10.0.19045.3086 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.5989 | 10.0.14393.5989 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.5989 | 10.0.14393.5989 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.5989 | 10.0.14393.5989 |
Exploitation
| In CISA KEV since | 29 Feb 2024 |
|---|---|
| Due date for US federal agencies | 21 Mar 2024 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 8.4 highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-822 |
References
- CVE-2023-29360 on NVD
- CVE-2023-29360 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29360 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29360 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29360 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.