Local privilege escalation via mishandled kernel objects
Published Apr 15, 2020 · Updated Aug 4, 2024
Elevation of privilege in Microsoft Windows 7 SP1 and Windows Server 2008 SP2/R2 SP1 allows local users to gain elevated rights. The Win32k kernel-mode driver mishandles objects in memory; Microsoft has not disclosed the specific object type or faulty operation. Exploitation requires low-privileged local access and no user interaction, with successful exploitation compromising the affected host.
Summary
What happened
Elevation of privilege in Microsoft Windows 7 SP1 and Windows Server 2008 SP2/R2 SP1 allows local users to gain elevated rights. The Win32k kernel-mode driver mishandles objects in memory; Microsoft has not disclosed the specific object type or faulty operation. Exploitation requires low-privileged local access and no user interaction, with successful exploitation compromising the affected host.
The record
- CVE
- CVE-2020-0957
- Published
- Apr 15, 2020
- Updated
- Aug 4, 2024
- Vendor
- Microsoft
- Product
- Windows
- Classifications
- T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 15, 2020CVE publishedPublication date reported by the CVE source.
- Aug 4, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=7 for 32-bit Systems Service Pack 1
- Affected versionversion=7 for x64-based Systems Service Pack 1
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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