CVE-2026-69822— Windows Kerberos Elevation of Privilege Vulnerability
Quick assessment
Affected
Microsoft Windows 10 Version 1809
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Windows Kerberos是美国Microsoft公司的一款提供网络身份认证服务的身份认证系统。 Microsoft Windows Kerberos存在安全漏洞，该漏洞源于Windows Kerberos存在数值截断错误，可能导致授权攻击者在本地提升权限。
Affected Version Matrix 12
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0< 10.0.17763.9245 |
affected |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0< 10.0.19044.7725 |
affected |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0< 10.0.19045.7725 |
affected |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0< 10.0.22631.7582 |
affected |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0< 10.0.22631.7582 |
affected |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0< 10.0.26100.9445 |
affected |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0< 10.0.26200.9445 |
affected |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0< 10.0.28000.2954 |
affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0< 10.0.17763.9245 |
affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0< 10.0.17763.9245 |
affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0< 10.0.20348.5622 |
affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0< 10.0.26100.33438 |
affected |
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I. Basic Information for CVE-2026-69822
Vulnerability Information
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Vulnerability Title
Windows Kerberos Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Numeric truncation error in Windows Kerberos allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
数值截断错误
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Kerberos 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Kerberos是美国Microsoft公司的一款提供网络身份认证服务的身份认证系统。 Microsoft Windows Kerberos存在安全漏洞，该漏洞源于Windows Kerberos存在数值截断错误，可能导致授权攻击者在本地提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 ~ 10.0.17763.9245 | - |
|
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 ~ 10.0.19044.7725 | - |
|
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 ~ 10.0.19045.7725 | - |
|
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 ~ 10.0.22631.7582 | - |
|
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 ~ 10.0.22631.7582 | - |
|
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 ~ 10.0.26100.9445 | - |
|
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 ~ 10.0.26200.9445 | - |
|
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 ~ 10.0.28000.2954 | - |
|
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.9245 | - |
|
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.9245 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5622 | - |
|
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.33438 | - |
|
II. Public POCs for CVE-2026-69822
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-69822 (1)
Same Patch Batch · Microsoft · 2026-09-08 · 966 CVEs total
| CVE-2026-83941 | 9.9 CRITICAL | Entra ID Elevation of Privilege Vulnerability |
| CVE-2026-70296 | 9.8 CRITICAL | Windows Imaging Component Remote Code Execution Vulnerability |
| CVE-2026-69408 | 9.8 CRITICAL | Microsoft Windows Media Foundation Remote Code Execution Vulnerability |
| CVE-2026-69768 | 9.8 CRITICAL | Windows RNDIS Remote Code Execution Vulnerability |
| CVE-2026-69493 | 9.8 CRITICAL | Windows Event Logging Service Remote Code Execution Vulnerability |
| CVE-2026-69910 | 9.8 CRITICAL | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2026-69431 | 9.8 CRITICAL | Telnet Client Remote Code Execution Vulnerability |
| CVE-2026-69491 | 9.8 CRITICAL | Microsoft DirectMusic Remote Code Execution Vulnerability |
| CVE-2026-78509 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-78510 | 9.8 CRITICAL | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-69463 | 9.8 CRITICAL | Windows NTFS Remote Code Execution Vulnerability |
| CVE-2026-69590 | 9.8 CRITICAL | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-69496 | 9.8 CRITICAL | Windows Compressed Folder Remote Code Execution Vulnerability |
| CVE-2026-69525 | 9.8 CRITICAL | Remote Desktop Services Remote Code Execution Vulnerability |
| CVE-2026-69715 | 9.8 CRITICAL | Windows Direct Show Remote Code Execution Vulnerability |
| CVE-2026-73025 | 9.8 CRITICAL | Windows iSCSI Security Feature Bypass Vulnerability |
| CVE-2026-69730 | 9.8 CRITICAL | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2026-73009 | 9.8 CRITICAL | Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability |
| CVE-2026-73010 | 9.8 CRITICAL | Microsoft Failover Cluster Remote Code Execution Vulnerability |
| CVE-2026-69819 | 9.8 CRITICAL | RPC Runtime Library Remote Code Execution Vulnerability |
Showing top 20 of 966 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-69822
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