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.
For example, when the score indicates that the Attack Vector is Local and User Interaction is Required, this could describe an exploit in which an attacker, through social engineering, convinces a victim to download and open a specially crafted file from a website which leads to a local attack on their computer.
Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
Security updates
https — https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
16.71.23031200 — https://go.microsoft.com/fwlink/p/?linkid=831049
16.0.10396.20000 — https://support.microsoft.com/help/5002356
16.0.5387.1000 — https://support.microsoft.com/help/5002351
16.0.5387.1000 — https://support.microsoft.com/kb/5002197
15.0.5537.1000 — https://support.microsoft.com/help/5002348
15.0.5537.1000 — https://support.microsoft.com/help/5002198
15.0.5537.1000 — https://support.microsoft.com/kb/5002362
Vulnerabilities 1
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High 7.8CVE-2023-23399 Public exploit
Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
Revision history
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#1
Information published.
References
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CVE-2023-23399 Microsoft Excel Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23399
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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