Integer underflow (wrap or wraparound) in DNS Server allows an unauthorized attacker to execute code over a network.
References
| Link | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83869 | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
16 Oct 2026, 10:45
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83869 - Vendor Advisory | |
| CPE | cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* 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_26h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* |
|
| First Time |
Microsoft windows 11 26h1
Microsoft Microsoft windows Server 2022 Microsoft windows 11 26h2 Microsoft windows Server 2019 Microsoft windows Server 2025 Microsoft windows Server 2016 Microsoft windows 11 25h2 Microsoft windows 10 21h2 Microsoft windows 10 22h2 Microsoft windows 10 1809 Microsoft windows 10 1607 Microsoft windows 11 24h2 Microsoft windows Server 2012 Microsoft windows 11 23h2 |
13 Oct 2026, 19:20
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-10-13 19:20
Updated : 2026-10-16 16:21
NVD link : CVE-2026-83869
Mitre link : CVE-2026-83869
CVE.ORG link : CVE-2026-83869
JSON object : View
Products Affected
microsoft
- windows_11_26h2
- windows_10_21h2
- windows_11_25h2
- windows_10_1607
- windows_11_23h2
- windows_server_2016
- windows_server_2019
- windows_11_24h2
- windows_11_26h1
- windows_10_22h2
- windows_server_2025
- windows_10_1809
- windows_server_2022
- windows_server_2012
CWE
CWE-191
Integer Underflow (Wrap or Wraparound)