2021-34504 | Microsoft Windows Address Book Remote Code Execution
|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). Affected is an unknown code block of the component Address Book. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Windows Address Book Remote Code Execution Vulnerability
The weakness was released 07/13/2021 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2021-34504 since 06/09/2021. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn’t require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (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: 7.0
VulDB Meta Temp Score: 6.1
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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