CVE-2025-29791: Microsoft Excel Remote Code Execution Vulnerability

CVE-2025-29791 PUBLISHED CVSS 7.8 HIGH

Microsoft Excel Remote Code Execution Vulnerability

Reported by microsoft · Published April 8, 2025

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
Microsoft Office LTSC for Mac 2024	Microsoft	16.96.25041326

CVSS 3.1

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Vendor	Product	Versions
Microsoft	Microsoft 365 Apps for Enterprise	16.0.1
Microsoft	Microsoft Office 2016	16.0.0
Microsoft	Microsoft Office 2019	19.0.0
Microsoft	Microsoft Office LTSC 2021	16.0.1
Microsoft	Microsoft Office LTSC 2024	16.0.0
Microsoft	Microsoft Office LTSC for Mac 2021	16.0.1
Microsoft	Microsoft Office LTSC for Mac 2024	16.0.0
Microsoft	Microsoft Office LTSC for Mac 2024	16.0.0
microsoft	365_apps	16.0.1
microsoft	office_2024	16.0.0
Microsoft	Microsoft Office LTSC 2021	16.0.1
microsoft	office_2021	16.0.1
microsoft	office_2019	19.0.0
Microsoft	Microsoft Office 2016	16.0.0
Microsoft	Microsoft Office LTSC for Mac 2021	16.0.1
microsoft	office_2016	16.0.0
Microsoft	Microsoft 365 Apps for Enterprise	16.0.1
Microsoft	Microsoft Office 2019	19.0.0
microsoft	office_macos_2021	16.0.1
microsoft	office_macos_2024	16.0.0

…and 1 more

The same record, from the CLI:

vulnetix vdb vuln CVE-2025-29791
vulnetix vdb fixes CVE-2025-29791

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2025-29791/fixes/registry"

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