Actively exploited · Published May 9, 2018 · Assigned by microsoft
CVE-2018-8120
High 7.0 Exploited Ransomware
In plain English
A high-severity security flaw in Windows 7 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on March 15, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 73.3% (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 Apr 5, 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." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8124, CVE-2018-8164, CVE-2018-8166.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2008 | 32-bit Systems Service Pack 232-bit Systems Service Pack 2 (Server Core installation)Itanium-Based Systems Service Pack 2x64-based Systems Service Pack 2x64-based Systems Service Pack 2 (Server Core installation) |
| Microsoft | Windows 7 | 32-bit Systems Service Pack 1x64-based Systems Service Pack 1 |
| Microsoft | Windows Server 2008 R2 | Itanium-Based Systems Service Pack 1x64-based Systems Service Pack 1x64-based Systems Service Pack 1 (Server Core installation) |
Weakness: CWE-404 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- 45653 exploit, x_refsource_EXPLOIT-DB
- 1040849 vdb-entry, x_refsource_SECTRACK
- 104034 vdb-entry, x_refsource_BID
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8120 x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8120 government-resource