CVEs / CVE-2019-0808
CVE-2019-0808: Microsoft Win32k Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- high 7.8 CVSS 3.1 (NVD)
- EPSS 53% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Win32k contains a privilege escalation vulnerability due to the component failing to properly handle objects in memory. Successful exploitation allows an attacker to run code in kernel mode.
Description
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0797.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows | 7 for 32-bit Systems Service Pack 1 | — |
| Microsoft Windows | 7 for x64-based Systems Service Pack 1 | — |
| Microsoft Windows Server | 2008 R2 for x64-based Systems Service Pack 1 (Core installation) | — |
| Microsoft Windows Server | 2008 R2 for Itanium-Based Systems Service Pack 1 | — |
| Microsoft Windows Server | 2008 R2 for x64-based Systems Service Pack 1 | — |
| Microsoft Windows Server | 2008 for 32-bit Systems Service Pack 2 (Core installation) | — |
| Microsoft Windows Server | 2008 for Itanium-Based Systems Service Pack 2 | — |
| Microsoft Windows Server | 2008 for 32-bit Systems Service Pack 2 | — |
| Microsoft Windows Server | 2008 for x64-based Systems Service Pack 2 | — |
| Microsoft Windows Server | 2008 for x64-based Systems Service Pack 2 (Core installation) | — |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|
References
- CVE-2019-0808 on NVD
- CVE-2019-0808 in the CISA KEV catalog
- http://packetstormsecurity.com/files/157616/Microsoft-Windows-NtUserMNDragOver-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0808 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0808 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.