Actively exploited · Published Dec 10, 2019 · Assigned by microsoft
CVE-2019-1458
High 7.8 Exploited Ransomware
In plain English
A high-severity security flaw in Windows from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on January 10, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 74.4% (higher than 99.5% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Jul 10, 2022.
Official 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'.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows | 10 for 32-bit Systems10 for x64-based Systems10 Version 1607 for 32-bit Systems10 Version 1607 for x64-based Systems7 for 32-bit Systems Service Pack 17 for x64-based Systems Service Pack 18.1 for 32-bit systems8.1 for x64-based systems |
| Microsoft | Windows Server | 20162016 (Core installation)2008 for 32-bit Systems Service Pack 22008 for 32-bit Systems Service Pack 2 (Core installation)2008 for Itanium-Based Systems Service Pack 22008 for x64-based Systems Service Pack 22008 for x64-based Systems Service Pack 2 (Core installation)2008 R2 for Itanium-Based Systems Service Pack 1 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1458 x_refsource_MISC
- http://packetstormsecurity.com/files/156651/Microsoft-Windows-WizardOpium-Local-Privilege-Escalation.html x_refsource_MISC
- http://packetstormsecurity.com/files/159569/Microsoft-Windows-Uninitialized-Variable-Local-Privilege-Escalation.html x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1458 government-resource