CVE-2019-1132
Published: 15 July 2019
Summary
CVE-2019-1132 is a high-severity an unspecified weakness vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 2.8% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-16 (Memory Protection) and SI-2 (Flaw Remediation).
Deeper analysis
The vulnerability CVE-2019-1132 is an elevation of privilege issue in Windows that occurs when the Win32k component fails to properly handle objects in memory. It affects the Win32k component of the Windows operating system and is rated 7.8 under CVSS 3.1 with a local attack vector requiring low privileges and no user interaction.
An attacker with existing local access can exploit the flaw to achieve full elevation of privilege, resulting in high impact to confidentiality, integrity, and availability on the affected system.
Microsoft security advisories provide guidance and patches for the issue, while the CISA known exploited vulnerabilities catalog confirms its inclusion due to observed real-world exploitation.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2019-9708
Vulnerability details
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'.
- CWE(s)
- KEV Date Added
- 15 March 2022
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly requires timely application of the vendor patch that eliminates the Win32k memory-object flaw before local exploitation can succeed.
Enforces memory-protection mechanisms that block the unauthorized object handling Win32k uses to escalate privileges.
Restricts initial process privileges so an attacker cannot reach the low-privilege context required to trigger the Win32k EoP.