Description
Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
Published: 2026-09-08
Score: 7 High
EPSS: < 1% Very Low
KEV: No
Impact: Privilege escalation
Action: Patch immediately
AI Analysis

Impact

The vulnerability is a use‑after‑free flaw located in Windows Connected User Experiences and Telemetry that allows an attacker with local authorized access to elevate privilege. Because the flaw is only exploitable after an object has been freed but still referenced, an attacker can manipulate the system to execute arbitrary code at a higher privilege level, thereby compromising the integrity of the operating environment.

Affected Systems

Affected systems include Microsoft Windows 10 versions 21H2 and 22H2, Windows 11 versions 23H2, 24H2, 25H2, and 26H1, as well as Microsoft Windows Server 2022 and Windows Server 2025. These products all contain the vulnerable implementation of connected user telemetry services.

Risk and Exploitability

The CVSS score of 7 indicates a high‑severity vulnerability, but no EPSS score is available and the issue is not listed in the CISA KEV catalog. The exploit is local, requiring the attacker to already possess authorized access. The lack of a public exploit and the local‑only nature of the attack suggest a moderate risk of exploitation, yet the potential privilege escalation warrants prompt action.

Generated by OpenCVE AI on September 8, 2026 at 19:54 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Install the latest Windows cumulative update that addresses CVE‑2026‑68847, following the guidance on Microsoft’s update guide.
  • If the update is unavailable or cannot be applied, disable or uninstall the Connected User Experiences and Telemetry feature to remove the vulnerable code path.
  • Apply least‑privilege policies to restrict local user execution rights, limiting the potential impact if the flaw is exploited.

Generated by OpenCVE AI on September 8, 2026 at 19:54 UTC.

Tracking

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Advisories

No advisories yet.

History

Thu, 17 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
CPEs cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
Vendors & Products Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1

Tue, 08 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
Title Connected User Experiences and Telemetry Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2022
Microsoft windows Server 2025
Weaknesses CWE-416
CPEs cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2022
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Windows 10 21h2 Windows 10 21h2 Windows 10 22h2 Windows 10 22h2 Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 Windows 11 25h2 Windows 11 26h1 Windows 11 26h1 Windows Server 2022 Windows Server 2025
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-09-25T21:30:44.545Z

Reserved: 2026-07-31T16:47:02.144Z

Link: CVE-2026-68847

cve-icon Vulnrichment

Updated: 2026-09-08T18:59:59.245Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-08T18:18:33.237

Modified: 2026-09-17T18:19:18.873

Link: CVE-2026-68847

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-08T20:00:12Z

Weaknesses