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CVE-2026-69359: Windows 10 and 11 AD Domain Services can grant admin rights
CVE-2026-69359 · published 1 month ago
Summary
The Active Directory component in Windows 10 (versions 1607, 1809, 21H2, 22H2) and Windows 11 (23H2) has a coding error that can be triggered to increase a user's privileges on the same computer. An attacker who already has a user account could use this flaw to become an administrator, potentially accessing or changing sensitive data. Apply the Microsoft security update that addresses this issue as soon as possible.
What to do
- Update microsoft windows 10 version 1607 to version 10.0.14393.9512 or later.
- Update microsoft windows 10 version 1809 to version 10.0.17763.9245 or later.
- Update microsoft windows 10 version 21h2 to version 10.0.19044.7725 or later.
- Update microsoft windows 10 version 22h2 to version 10.0.19045.7725 or later.
- Update microsoft windows 11 version 23h2 to version 10.0.22631.7582 or later.
- Update microsoft windows 11 version 24h2 to version 10.0.26100.9445 or later.
- Update microsoft windows 11 version 25h2 to version 10.0.26200.9445 or later.
- Update microsoft windows 11 version 26h1 to version 10.0.28000.2954 or later.
- Update microsoft windows server 2016 to version 10.0.14393.9512 or later.
- Update microsoft windows server 2016 (server core installation) to version 10.0.14393.9512 or later.
- Update microsoft windows server 2019 to version 10.0.17763.9245 or later.
- Update microsoft windows server 2019 (server core installation) to version 10.0.17763.9245 or later.
- Update microsoft windows server 2022 to version 10.0.20348.5622 or later.
- Update microsoft windows server 2025 to version 10.0.26100.33438 or later.
- Update microsoft windows server 2025 (server core installation) to version 10.0.26100.33438 or later.
- Update microsoft windows_10_1607 to version 10.0.14393.9512 or later.
- Update microsoft windows_10_1809 to version 10.0.17763.9245 or later.
- Update microsoft windows_10_21h2 to version 10.0.19044.7725 or later.
- Update microsoft windows_10_22h2 to version 10.0.19045.7725 or later.
- Update microsoft windows_11_23h2 to version 10.0.22631.7582 or later.
- Update microsoft windows_11_24h2 to version 10.0.26100.9445 or later.
- Update microsoft windows_11_25h2 to version 10.0.26200.9445 or later.
- Update microsoft windows_11_26h1 to version 10.0.28000.2954 or later.
- Update microsoft windows_server_2016 to version 10.0.14393.9512 or later.
- Update microsoft windows_server_2019 to version 10.0.17763.9245 or later.
- Update microsoft windows_server_2022 to version 10.0.20348.5622 or later.
- Update microsoft windows_server_2025 to version 10.0.26100.33438 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| microsoft | windows 10 version 1607 | < 10.0.14393.9512 |
| microsoft | windows 10 version 1809 | < 10.0.17763.9245 |
| microsoft | windows 10 version 21h2 | < 10.0.19044.7725 |
| microsoft | windows 10 version 22h2 | < 10.0.19045.7725 |
| microsoft | windows 11 version 23h2 | < 10.0.22631.7582 |
| microsoft | windows 11 version 24h2 | < 10.0.26100.9445 |
| microsoft | windows 11 version 25h2 | < 10.0.26200.9445 |
| microsoft | windows 11 version 26h1 | < 10.0.28000.2954 |
| microsoft | windows server 2016 | < 10.0.14393.9512 |
| microsoft | windows server 2016 (server core installation) | < 10.0.14393.9512 |
| microsoft | windows server 2019 | < 10.0.17763.9245 |
| microsoft | windows server 2019 (server core installation) | < 10.0.17763.9245 |
| microsoft | windows server 2022 | < 10.0.20348.5622 |
| microsoft | windows server 2025 | < 10.0.26100.33438 |
| microsoft | windows server 2025 (server core installation) | < 10.0.26100.33438 |
| microsoft | windows_10_1607 |
< 10.0.14393.9512 cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_1809 |
< 10.0.17763.9245 cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_21h2 |
< 10.0.19044.7725 cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_10_22h2 |
< 10.0.19045.7725 cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_11_23h2 |
< 10.0.22631.7582 cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_11_24h2 |
< 10.0.26100.9445 cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_11_25h2 |
< 10.0.26200.9445 cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* |
| microsoft | windows_11_26h1 |
< 10.0.28000.2954 cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* |
| microsoft | windows_server_2016 |
< 10.0.14393.9512 cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:x64:* |
| microsoft | windows_server_2019 |
< 10.0.17763.9245 cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:* |
| microsoft | windows_server_2022 |
< 10.0.20348.5622 cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:* |
| microsoft | windows_server_2025 |
< 10.0.26100.33438 cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* |
Original advisory text
Active Directory Domain Services Elevation of Privilege Vulnerability
Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to elevate privileges locally.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69359 vendor-advisory patch
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Type
CWE-122Heap-based Buffer Overflow
Timeline
Published8 Sep 2026
Updated4 Nov 2026
First seen8 Sep 2026
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