CVE-2023-29360 | Microsoft Streaming Service Elevation of Privilege Vulnerability

Exp

Microsoft Streaming Service Elevation of Privilege Vulnerability

Published: 2023-06-14 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-29360 is rated Critical Active Threat (96.3/100): CVSS High severity, with high exploitation likelihood (EPSS 22.13%, 97th percentile). CISA KEV confirms active exploitation (added 2024-02-29) affecting Microsoft / Streaming Service. a weakness (CWE-822) Unauthenticated remote administrative access may be possible. EPSS rose +3.58% over the last day, indicating growing attacker interest. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2023-29360

Name: Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability · CISA KEV detail

Exploit added: 2024-02-29

Action due: 2024-03-21

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

Exploit prediction scoring system (EPSS) score for CVE-2023-29360

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 18.55% 22.13% +3.58%
2 2026-06-14 30.29% 18.55% -11.74%
3 2026-04-10 — 30.29% —

Full EPSS history (49 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-29360

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.4 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.5 5.9 [email protected]

Weakness enumeration for CVE-2023-29360

Affected software / configurations for CVE-2023-29360

Vendor Product Version Raw CPE
microsoft windows_10_1607 < 10.0.14393.5989 cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
microsoft windows_10_1607 < 10.0.14393.5989 cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
microsoft windows_10_1809 < 10.0.17763.4499 cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
microsoft windows_10_21h2 < 10.0.19044.3086 cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
microsoft windows_10_22h2 < 10.0.19045.3086 cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
microsoft windows_11_21h2 < 10.0.22000.2057 cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
microsoft windows_11_22h2 < 10.0.22621.1848 cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
microsoft windows_server_2016 < 10.0.14393.5989 cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoft windows_server_2019 < 10.0.17763.4499 cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
microsoft windows_server_2022 < 10.0.20348.1784 cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*

References for CVE-2023-29360

cvelogic Threat Intelligence