CVE-2019-0960: Elevation of Privilege in Microsoft Windows 7
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The update addresses this vulnerability by correcting how Win32k handles objects in memory.
AI Analysis
Technical Summary
CVE-2019-0960 is a high-severity elevation of privilege vulnerability affecting Microsoft Windows 7, specifically targeting the Win32k component. The vulnerability arises due to improper handling of objects in memory by Win32k, a core kernel-mode driver responsible for window management and graphical device interface (GDI) functions. An attacker who has already logged onto the system with limited privileges can exploit this flaw by running a specially crafted application that manipulates the vulnerable memory objects. Successful exploitation allows the attacker to execute arbitrary code in kernel mode, effectively granting full control over the affected system. This includes the ability to install programs, modify or delete data, and create new user accounts with elevated privileges. The vulnerability requires local access with at least low privileges and does not require user interaction beyond running the malicious application. The issue was addressed by Microsoft through a security update that corrected the way Win32k handles memory objects, preventing the exploitation path. Although no known exploits were reported in the wild at the time of disclosure, the vulnerability's characteristics make it a significant risk, especially on legacy Windows 7 systems that may still be in use in certain environments.
Potential Impact
For European organizations, the impact of CVE-2019-0960 can be substantial, particularly in sectors where Windows 7 remains in operation due to legacy application dependencies or delayed migration to newer OS versions. Exploitation could lead to full system compromise, allowing attackers to escalate privileges from a standard user to kernel-level access. This could result in unauthorized installation of malware, data breaches involving sensitive or personal data protected under GDPR, disruption of business operations, and potential lateral movement within corporate networks. The ability to create new accounts with full rights further exacerbates the risk by enabling persistent access. Given that Windows 7 reached end-of-life in January 2020, many organizations may no longer receive official patches, increasing their exposure. Critical infrastructure, government agencies, and enterprises with legacy systems in Europe could face heightened risks, including compliance violations and reputational damage.
Mitigation Recommendations
To mitigate the risks posed by CVE-2019-0960, European organizations should prioritize the following actions: 1) Apply all available security updates from Microsoft for Windows 7 systems immediately, including any out-of-band patches if still supported under extended security updates (ESU) programs. 2) Accelerate migration plans away from Windows 7 to supported operating systems such as Windows 10 or later, which receive regular security updates and have improved security architectures. 3) Implement strict access controls and least privilege principles to limit the number of users with local access and reduce the attack surface. 4) Employ application whitelisting and endpoint protection solutions capable of detecting and blocking execution of unauthorized or suspicious applications that could exploit this vulnerability. 5) Monitor system logs and security alerts for unusual activity indicative of privilege escalation attempts. 6) For environments where Windows 7 must remain operational, consider network segmentation and enhanced monitoring to contain potential compromises. 7) Educate users about the risks of running untrusted applications, even if they have local access, to reduce inadvertent exploitation.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Poland, Netherlands, Belgium, Sweden, Austria
CVE-2019-0960: Elevation of Privilege in Microsoft Windows 7
Description
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The update addresses this vulnerability by correcting how Win32k handles objects in memory.
AI-Powered Analysis
Technical Analysis
CVE-2019-0960 is a high-severity elevation of privilege vulnerability affecting Microsoft Windows 7, specifically targeting the Win32k component. The vulnerability arises due to improper handling of objects in memory by Win32k, a core kernel-mode driver responsible for window management and graphical device interface (GDI) functions. An attacker who has already logged onto the system with limited privileges can exploit this flaw by running a specially crafted application that manipulates the vulnerable memory objects. Successful exploitation allows the attacker to execute arbitrary code in kernel mode, effectively granting full control over the affected system. This includes the ability to install programs, modify or delete data, and create new user accounts with elevated privileges. The vulnerability requires local access with at least low privileges and does not require user interaction beyond running the malicious application. The issue was addressed by Microsoft through a security update that corrected the way Win32k handles memory objects, preventing the exploitation path. Although no known exploits were reported in the wild at the time of disclosure, the vulnerability's characteristics make it a significant risk, especially on legacy Windows 7 systems that may still be in use in certain environments.
Potential Impact
For European organizations, the impact of CVE-2019-0960 can be substantial, particularly in sectors where Windows 7 remains in operation due to legacy application dependencies or delayed migration to newer OS versions. Exploitation could lead to full system compromise, allowing attackers to escalate privileges from a standard user to kernel-level access. This could result in unauthorized installation of malware, data breaches involving sensitive or personal data protected under GDPR, disruption of business operations, and potential lateral movement within corporate networks. The ability to create new accounts with full rights further exacerbates the risk by enabling persistent access. Given that Windows 7 reached end-of-life in January 2020, many organizations may no longer receive official patches, increasing their exposure. Critical infrastructure, government agencies, and enterprises with legacy systems in Europe could face heightened risks, including compliance violations and reputational damage.
Mitigation Recommendations
To mitigate the risks posed by CVE-2019-0960, European organizations should prioritize the following actions: 1) Apply all available security updates from Microsoft for Windows 7 systems immediately, including any out-of-band patches if still supported under extended security updates (ESU) programs. 2) Accelerate migration plans away from Windows 7 to supported operating systems such as Windows 10 or later, which receive regular security updates and have improved security architectures. 3) Implement strict access controls and least privilege principles to limit the number of users with local access and reduce the attack surface. 4) Employ application whitelisting and endpoint protection solutions capable of detecting and blocking execution of unauthorized or suspicious applications that could exploit this vulnerability. 5) Monitor system logs and security alerts for unusual activity indicative of privilege escalation attempts. 6) For environments where Windows 7 must remain operational, consider network segmentation and enhanced monitoring to contain potential compromises. 7) Educate users about the risks of running untrusted applications, even if they have local access, to reduce inadvertent exploitation.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2018-11-26T00:00:00
- Cisa Enriched
- false
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 682cd0f71484d88663aeacea
Added to database: 5/20/2025, 6:59:03 PM
Last enriched: 7/4/2025, 8:56:05 AM
Last updated: 8/17/2025, 10:56:40 PM
Views: 13
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