CVE-2024-30104HighCVSS 7.8

Microsoft Office Remote Code Execution Vulnerability

Published
July 20, 2026
Last Modified
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🔗 CVE IDs covered (1)

📋 Description

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). What interaction would the user have to do? An attacker must send a user a malicious Office file and convince them to open it.

Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector.

🎯 Affected products8

  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft Office 2016 (32-bit edition)
  • Microsoft Office 2016 (64-bit edition)
  • Microsoft Office 2019 for 32-bit editions
  • Microsoft Office 2019 for 64-bit editions
  • Microsoft Office LTSC 2021 for 32-bit editions
  • Microsoft Office LTSC 2021 for 64-bit editions

✅ Remediation

KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KB5002591 (Security Update) — fixed build 16.0.5452.1000 KB5002575 (Security Update) — fixed build 16.0.5452.1000

🔗 References (8)