Secuno
ENNL
Book demo

CVE-2023-29360

Microsoft Streaming Service Untrusted Pointer Dereference

8.4 HIGHActively exploited (CISA KEV)EPSS 21.6%
  1. Published13 Jun 2023
  2. Added to CISA KEV29 Feb 2024
  3. Remediation due21 Mar 2024
Actively exploited (CISA KEV)

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

Added to KEV: 29 Feb 2024Federal remediation due: 21 Mar 2024

Description

Microsoft Streaming Service Elevation of Privilege Vulnerability

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 10 1607< 10.0.14393.5989
Microsoft Windows 10 1809< 10.0.17763.4499
Microsoft Windows 10 21h2< 10.0.19044.3086
Microsoft Windows 10 22h2< 10.0.19045.3086
Microsoft Windows 11 21h2< 10.0.22000.2057
Microsoft Windows 11 22h2< 10.0.22621.1848
Microsoft Windows Server 2016< 10.0.14393.5989
Microsoft Windows Server 2019< 10.0.17763.4499
Microsoft Windows Server 2022< 10.0.20348.1784

Remediation

Fixed in
Microsoft Windows 10 1607≥ 10.0.14393.5989
Microsoft Windows 10 1809≥ 10.0.17763.4499
Microsoft Windows 10 21h2≥ 10.0.19044.3086
Microsoft Windows 10 22h2≥ 10.0.19045.3086
Microsoft Windows 11 21h2≥ 10.0.22000.2057
Microsoft Windows 11 22h2≥ 10.0.22621.1848
Microsoft Windows Server 2016≥ 10.0.14393.5989
Microsoft Windows Server 2019≥ 10.0.17763.4499
Microsoft Windows Server 2022≥ 10.0.20348.1784

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1037649.8
Mooncake transfer engine before 0.3.13 contains an untrusted pointer dereference in…
CVE-2026-580078.1
Untrusted pointer dereference vulnerability in Altera Trusted Firmware on HPS allows…
CVE-2026-580068.1
Untrusted pointer dereference vulnerability in Altera Trusted Firmware on HPS allows…
CVE-2026-944038.8
A weakness has been identified in ColorFul iGameCenter 1.0.3.4. This impacts the…
CVE-2026-839398.2
Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized…
CVE-2026-800838.8
Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to…

Frequently asked

Is CVE-2023-29360 being actively exploited?

Yes. CVE-2023-29360 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 29 Feb 2024.

How severe is CVE-2023-29360?

CVE-2023-29360 has a CVSS 3.1 base score of 8.4, rated high. EPSS estimates a 21.6% probability of exploitation.

Which products are affected by CVE-2023-29360?

Affected products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, and 4 more.

How do I fix CVE-2023-29360?

Upgrade affected software to a fixed version, for example Microsoft Windows 10 1607 10.0.14393.5989, Microsoft Windows 10 1809 10.0.17763.4499, Microsoft Windows 10 21h2 10.0.19044.3086 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-29360 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.