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PatchSiren cyber security CVE debrief

CVE-2022-24462 Microsoft CVE debrief

A security feature bypass vulnerability in Microsoft Word allows an attacker to circumvent integrity protections. The flaw requires local access and user interaction, with successful exploitation enabling integrity impact without affecting confidentiality or availability. Microsoft addressed this vulnerability through security updates.

Vendor
Microsoft
Product
Microsoft Office 2019
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2022-03-09
Original CVE updated
2026-05-19
Advisory published
2022-03-09
Advisory updated
2026-05-19

Who should care

Organizations running affected Microsoft Office versions, particularly those with users who regularly handle documents from external or untrusted sources. Security teams responsible for endpoint protection and patch management should prioritize this vulnerability based on document-centric attack surface exposure.

Technical summary

CVE-2022-24462 is a security feature bypass vulnerability in Microsoft Word with a CVSS 3.1 score of 5.5 (Medium). The vulnerability has a local attack vector (AV:L) with low attack complexity (AC:L), requires no privileges (PR:N) but does require user interaction (UI:R). Successful exploitation results in high integrity impact (I:H) with no confidentiality or availability impact. Affected products include Microsoft 365 Apps for Enterprise, Office 2019, and Office LTSC 2021. The vulnerability was disclosed on March 9, 2022, and Microsoft released security updates to address it.

Defensive priority

medium

Recommended defensive actions

  • Apply Microsoft security updates for affected Office versions per Microsoft Security Response Center guidance
  • Prioritize patching based on user exposure to untrusted documents
  • Review and enforce Office macro and document security policies
  • Monitor for anomalous document handling behavior on endpoints

Evidence notes

NVD CPE data identifies affected Microsoft Office products: Microsoft 365 Apps for Enterprise, Office 2019, and Office LTSC 2021. CVSS 3.1 vector AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N confirms local attack vector with user interaction required. Microsoft Security Response Center guidance is the authoritative remediation source.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-24462 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-24462

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2022-24462 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2022-24462

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.