Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution?
The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.
According to the CVSS metric, user interaction is required (UI:R) and privileges required is low (PR:L). What does that mean for this vulnerability?
An authenticated attacker with guest privileges must send the victim a malicious RAR file and convince them to open it.
Security updates
10.0.22621.3880 — https://support.microsoft.com/help/5040442
10.0.25398.1009 — https://support.microsoft.com/help/5040438
Vulnerabilities 1
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High 7.3
Windows libarchive Remote Code Execution Vulnerability
Windows libarchive Remote Code Execution Vulnerability
Revision history
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#1
Information published. This CVE was addressed by updates that were released in July 2024, but the CVE was inadvertently omitted from the July 2024 Security Updates. This is an informational change only. Customers who have already installed the July 2024 updates do not need to take any further action.
References
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CVE-2024-43495 Windows libarchive Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43495
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss