Actively exploited in the wild
Microsoft Win32k Privilege Escalation Vulnerability
Microsoft - Win32k · Listed in the CISA KEV since 2022-01-21. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2018-8453
HighCVSS 7.8KEVExploitation Probability (EPSS)
Very high risk99th percentile - higher than 99% of all known CVEs
Summary
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. Affects multiple Windows versions including Windows 7, Windows 10, and Windows Server.
Risk Assessment
An attacker could exploit this vulnerability to elevate privileges and gain full control of the system, potentially compromising organizational data and resources.
Recommendation
Install the latest Windows security updates that address this vulnerability.
Other vulnerabilities in Win32k
See all- CVE-2017-8581High
Win32k in Microsoft Windows allows an elevation of privilege vulnerability due to improper handling of objects in memory. This affects multiple versions of Windows, including Windows Server 2008, Windows 7, Windows 8.1, Windows 10, and Windows Server 2016.
- CVE-2017-8580High
Win32k in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation of privilege vulnerability when it fails to properly handle objects in memory, known as 'Win32k Elevation of Privilege Vulnerability'.
- CVE-2017-8578High
Win32k in Microsoft Windows allows an elevation of privilege vulnerability due to improper handling of objects in memory. This affects multiple versions of Windows, including Windows 7, 8.1, 10, and Windows Server 2008 and 2016.
- CVE-2017-8577High
Win32k in Microsoft Windows allows an elevation of privilege vulnerability due to improper handling of objects in memory. This affects multiple versions of Windows, including Windows 7, 8.1, 10, and Windows Server 2008 and 2016.
- CVE-2024-30087High
A vulnerability in the Win32k driver allows elevation of privilege in Windows. This flaw can be exploited by a local attacker to gain higher privileges.
- CVE-2021-28310HighActively exploited
Win32k Elevation of Privilege Vulnerability.
- CVE-2019-0808HighActively exploited
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 CVE ID is unique from CVE-2019-0797.
- CVE-2019-0797HighActively exploited
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 CVE ID is unique from CVE-2019-0808.
- CVE-2024-38246High
Elevation of privilege vulnerability in the Win32k component of Windows. It allows a local attacker to gain elevated privileges on the system.
- CVE-2024-30091High
A vulnerability in the Win32k driver allows elevation of privilege in Windows. This flaw can be exploited by a local attacker to gain higher privileges.
Original NVD description (English source)
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 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS