2021-34516 | Microsoft Windows Win32k Privilege Escalation
|CVSS Meta Temp Score
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|Current Exploit Price (≈)
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|CTI Interest Score
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A vulnerability classified as critical has been found in Microsoft Windows (Operating System). This affects an unknown function of the component Win32k. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-34449.
The weakness was published 07/13/2021 as confirmed security guidance (Website). The advisory is shared at portal.msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2021-34516 since 06/09/2021. The exploitability is told to be easy. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 07/17/2021).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 7.3
Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔒
06/09/2021 CVE assigned
07/13/2021 +34 days Advisory disclosed
07/13/2021 +0 days Countermeasure disclosed
07/14/2021 +0 days VulDB entry created
07/17/2021 +3 days VulDB last updateVendor: https://www.microsoft.com/
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