Windows DWM Core Library Information Disclosure Vulnerability
Priority LOW 26CWE-908Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Use of uninitialized resource in Windows DWM Core Library allows an authorized attacker to disclose information locally.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00634 50th percentileScored 2026-11-07
Fix Fixed Microsoft: 8 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 to before 10.0.17763.7434 | 10.0.17763.7434 | Patch available | CNA |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 to before 10.0.19044.5965 | 10.0.19044.5965 | Patch available | CNA |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 to before 10.0.19045.5965 | 10.0.19045.5965 | Patch available | CNA |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.5472 | 10.0.22621.5472 | Patch available | CNA |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 to before 10.0.22631.5472 | 10.0.22631.5472 | Patch available | CNA |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 to before 10.0.22631.5472 | 10.0.22631.5472 | Patch available | CNA |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 to before 10.0.26100.4349 | 10.0.26100.4349 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before 10.0.17763.7434 | 10.0.17763.7434 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.7434 | 10.0.17763.7434 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.3807 | 10.0.20348.3807 | Patch available | CNA |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to before 10.0.25398.1665 | 10.0.25398.1665 | Patch available | CNA |
| Microsoft | Windows Server 2025 | 10.0.26100.0 to before 10.0.26100.4349 | 10.0.26100.4349 | Patch available | CNA |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 to before 10.0.26100.4349 | 10.0.26100.4349 | Patch available | CNA |
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.7434 Fixed in 10.0.17763.7434 Patch available CNA
- Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19044.0 to before 10.0.19044.5965 Fixed in 10.0.19044.5965 Patch available CNA
- Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.5965 Fixed in 10.0.19045.5965 Patch available CNA
- Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.5472 Fixed in 10.0.22621.5472 Patch available CNA
- Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.5472 Fixed in 10.0.22631.5472 Patch available CNA
- Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.5472 Fixed in 10.0.22631.5472 Patch available CNA
- Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4349 Fixed in 10.0.26100.4349 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.7434 Fixed in 10.0.17763.7434 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.7434 Fixed in 10.0.17763.7434 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.3807 Fixed in 10.0.20348.3807 Patch available CNA
- Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.1665 Fixed in 10.0.25398.1665 Patch available CNA
- Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4349 Fixed in 10.0.26100.4349 Patch available CNA
- Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4349 Fixed in 10.0.26100.4349 Patch available CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* | before 10.0.17763.7434 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* | before 10.0.17763.7434 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* | before 10.0.19044.5965 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* | before 10.0.19045.5965 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* | before 10.0.22621.5472 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* | before 10.0.22631.5472 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* | before 10.0.26100.4270 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* | before 10.0.17763.7434 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | before 10.0.20348.3745 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* | before 10.0.25398.1665 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* Versions before 10.0.17763.7434 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* Versions before 10.0.17763.7434 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions before 10.0.19044.5965 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* Versions before 10.0.19045.5965 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.5472 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.5472 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* Versions before 10.0.26100.4270 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.7434 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.3745 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.1665 Vulnerable ·Microsoft
Remediation
Microsoft 8 updates
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.5472
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.5472
- Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.5472
- Windows 11 Version 23H2 for x64-based Systems 10.0.22631.5472
- Security Update
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.4349
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.4349
- Windows Server 2025 10.0.26100.4349, 10.0.26200.4349
- Windows Server 2025 (Server Core installation) 10.0.26100.4349, 10.0.26200.4349
- SecurityHotpatchUpdate
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.4270
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.4270
- Windows Server 2025 10.0.26100.4270
- Windows Server 2025 (Server Core installation) 10.0.26100.4270
Show 5 more Microsoft updates
- Security Update
- Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.5965
- Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.5965
- Windows 10 Version 21H2 for x64-based Systems 10.0.19044.5965
- Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.5965
- Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.5965
- Windows 10 Version 22H2 for x64-based Systems 10.0.19045.5965
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.7434
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.7434
- Windows Server 2019 10.0.17763.7434
- Windows Server 2019 (Server Core installation) 10.0.17763.7434
- Security Update
- Windows Server 2022 10.0.20348.3807
- Windows Server 2022 (Server Core installation) 10.0.20348.3807
- SecurityHotpatchUpdate
- Windows Server 2022 10.0.20348.3745
- Windows Server 2022 (Server Core installation) 10.0.20348.3745
- Security Update
- Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1665
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Information Disclosure
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Unlikely
Timeline
- 2026-10-02 Threatist record created from CVE-2025-33052
- 2026-10-03 Alias added: GHSA-7p8p-77rq-jh4w
- 2026-11-06 EPSS moved to the 50th–90th percentile
References
More Microsoft Windows 10 1809 vulnerabilities
- TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-73128 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2026-17367 MSHTML Framework Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2026-17364 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2025-33052 · CVE Program
- CVE-2025-33052 · NVD
- FIRST EPSS
- GHSA-7p8p-77rq-jh4w · GitHub Advisory Database · CC BY 4.0
- CVE-2025-33052 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences