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CVE-2019-1458
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka…
High7.8Known exploitedEPSS 74.4%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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'.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Win32k Privilege Escalation Vulnerability.
- Added
- 10 Jan 2022
- Fix due (US federal)
- 10 Jul 2022
- Used by ransomware
- Known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 74.4% · top 0.5% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- Elevation of Privilege
- CWE-noinfo Not enough information
Affected products
- affected 10 for 32-bit Systems
- affected 10 for x64-based Systems
- affected 10 Version 1607 for 32-bit Systems
- affected 10 Version 1607 for x64-based Systems
- affected 7 for 32-bit Systems Service Pack 1
- affected 7 for x64-based Systems Service Pack 1
- affected 8.1 for 32-bit systems
- affected 8.1 for x64-based systems
- affected RT 8.1
- affected 2016
- affected 2016 (Core installation)
- affected 2008 for 32-bit Systems Service Pack 2
- affected 2008 for 32-bit Systems Service Pack 2 (Core installation)
- affected 2008 for Itanium-Based Systems Service Pack 2
- affected 2008 for x64-based Systems Service Pack 2
- affected 2008 for x64-based Systems Service Pack 2 (Core installation)
- affected 2008 R2 for Itanium-Based Systems Service Pack 1
- affected 2008 R2 for x64-based Systems Service Pack 1
- affected 2008 R2 for x64-based Systems Service Pack 1 (Core installation)
- affected 2012
- affected 2012 (Core installation)
- affected 2012 R2
- affected 2012 R2 (Core installation)
References (4)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1458 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/156651/Microsoft-Windows-WizardOpium-Local-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/159569/Microsoft-Windows-Uninitialized-Variable-Local-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1458 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-1458)Record last updated .