365 AppsApplication · Microsoft

CVE-2024-49069

HIGH · 7.8 CVSS v3.1 Published 2024-12-12
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
81/100
Remediation priority · High
No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Microsoft Excel Remote Code Execution Vulnerability

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

This is a Remote Code Execution vulnerability in Microsoft Excel that allows an attacker to execute arbitrary code by tricking a user into opening a specially crafted Excel file. The CVSS 7.8 score indicates the vulnerability yields high-impact code execution with relatively low attack complexity, likely requiring user interaction (opening a malicious file).

MitigationApply Microsoft security updates for Microsoft Excel as soon as they become available through the regular patch cycle, or implement workarounds such as restricting Excel from opening files from untrusted sources and using Office file blocking policies.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
365 AppsApplication
Affected:all versions
ExcelApplication
Affected:= 2016
OfficeApplication
Affected:= 2019
Office Long Term Servicing ChannelApplication
Affected:= 2021= 2024

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed Excel version
    Open Microsoft Excel, go to File > Account > About Excel, or check Programs and Features for Microsoft Office/Microsoft 365 to see the installed version
    Affected if Version is 2016 or later but lacks the security update for CVE-2024-49069
  2. Check Windows Update history for Excel patches
    Open Windows Settings > Update & Security > Windows Update > View update history, look for recent security updates for Microsoft Excel listed in the update log
    Affected if No recent security update addressing CVE-2024-49069 has been installed
  3. Verify file blocking policy status
    Check Group Policy Editor at Computer Configuration > Administrative Templates > Microsoft Office 2016 > Security Settings, or examine Office Trust Center settings for file blocking options
    Affected if File blocking is disabled and Excel is configured to open files without restriction

User is affected if running Microsoft Excel version 2016 or later (including Microsoft 365 Apps) without the CVE-2024-49049069 security update installed and without file blocking policies enabled.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply Microsoft security updates for Microsoft Excel as soon as they become available through the regular patch cycle, or implement workarounds such as restricting Excel from opening files from untrusted sources and using Office file blocking policies.

Recommended fix High confidence

Install latest Microsoft 365/Office updates or apply KB5020882 (or subsequent security updates for the affected versions)

  1. Open any Microsoft Office application (e.g., Excel)
  2. Go to File > Account > Update Options
  3. Select 'Update Now' to check for and install the latest Microsoft updates
  4. Alternatively, check Windows Update (Settings > Update & Security > Windows Update) for Office security updates
  5. For enterprise environments, verify patches are deployed via WSUS, SCCM, or Intune
  6. Restart the application after updates are installed
Caveat Standard security update with minimal risk; may require restart

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in 365 Apps Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA2.0 h
10.0 hours of engineering $1,780
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,848.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2024-49069 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-49069 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data