DaystoPatch

MicrosoftExploited incident

Microsoft Outlook Improper Input Validation Vulnerability

CVE-2024-21413Critical, CVSS 9.8In CISA's Known Exploited Vulnerabilities catalog since 6 Feb 2025

Automated timeline. Not yet checked by a researcher, so it doesn't count toward any grade.

UnknownNo evidence of the current fix status.

Response

Silence
not dated
First public report to first vendor statement
Exposure
not dated
First public report to first fix
Follow-through
not dated
First public report to a fix for every supported version
  • Vendor silent
  • Vendor statement, no fix
  • Fixed for some versions
  • Fixed when disclosed
  • Date only, no time of day

Timeline and evidence

Open a moment to see its source and archived quote.

  1. First public report

    CVE.org record CVE-2024-21413ClaimedQuote verified

    Microsoft Outlook Remote Code Execution Vulnerability

    CVE record published.

    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:271ddd6d3156af70…
    Used in metrics
    Yes
    Dispute this timestamp
    3 more sources for this moment
    Bluesky postClaimedQuote not checked yet15 Feb 2024, 08:27 UTC

    Microsoft warns of a critical Outlook vulnerability (CVE-2024-21413) allowing remote code execution through previewed malicious Office documents, affecting several Office products and urging immediate patch application.

    Earliest third-party post we hold.

    Source
    Bluesky post social
    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Not checked yet
    Snapshot
    No archived snapshot
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    Mastodon postClaimedQuote not checked yet16 Feb 2024, 19:20 UTC

    https:// github.com/duy-31/CVE-2024-214 13/ PoC for CVE-2024-21413 - Microsoft Outlook Remote Code Execution Vulnerability (through the preview panel) # CVE202421413 # CVE_2024_21413 # outlook # hacking # redteam # pentesting #

    Earliest third-party post we hold.

    Source
    Mastodon post social
    Recorded time
    Precision
    To the minute
    Origin
    Claimed. The date the source gives.
    Quote check
    Not checked yet
    Snapshot
    No archived snapshot
    Used in metrics
    No, kept for the record
    Dispute this timestamp
    CISA KEV (CVE-2024-21413)ClaimedQuote verified6 Feb 2025

    Microsoft Outlook Improper Input Validation Vulnerability

    Added to CISA's KEV catalog on 2025-02-06.

    Recorded time
    Precision
    Date only (no time of day is shown)
    Origin
    Claimed. The date the source gives.
    Quote check
    Found in the archived copy
    Snapshot
    sha256:ef8fffede5c47200…
    Used in metrics
    No, kept for the record
    Dispute this timestamp

  2. Vendor statement

    No public statement from the vendor found yet.

  3. First workaround

    No official mitigation found yet.

  4. First fix

    No fixed release found yet for any affected branch.

  5. Fixed for all versions

    No evidence yet of fixed releases for every supported branch.

Send this to your boss

No brief for this incident yet. We write one for every open incident and every critical bug exploited before a fix.

Affected products

  • Office Outlook

Related

No related incidents.

Microsoft report card