Security readout for executives and security teams
Plain-English summary
This flaw lets a malicious file bypass Windows Mark of the Web protections, reducing warnings and controls users normally rely on when opening internet-sourced files. User interaction is required, but CISA lists it as known exploited, so business urgency is higher than the medium CVSS score suggests.
Executive priority
Treat this as a priority Windows patching item because it is in CISA KEV. It is not a full remote code execution issue by itself in the provided data, but it can weaken a key protection used to stop malicious files from gaining user trust.
Technical view
CVE-2024-38213 is a Windows security feature bypass in Mark of the Web, categorized as CWE-693. The CVSS vector is AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N, indicating network delivery, low attack complexity, no privileges, required user interaction, and high integrity impact.
Likely exposure
Exposure is likely on listed Windows client and server versions where users can receive and open external files from email, web downloads, collaboration tools, or archives. The provided sources list many Windows 10, Windows 11, Windows Server 2012 through 2022 variants.
Exploitation context
CISA KEV status supports known exploitation. The provided bundle does not include exploit mechanics, affected file types, malware families, or campaign details, so no further exploitation claims should be made from these sources alone.
Researcher notes
Do not infer affected products beyond the listed Windows versions. The bundle confirms official fix availability and KEV status but lacks root-cause detail, exploit prerequisites beyond user interaction, or detection indicators. Focus validation on patch state, external-file workflows, and compensating telemetry.
Mitigation direction
- Apply Microsoft’s official update for CVE-2024-38213 from MSRC guidance.
- Prioritize endpoints handling email, downloads, and external collaboration files.
- Reduce user ability to open untrusted internet-sourced files where practical.
- Monitor CISA KEV and Microsoft advisory updates for revised guidance.
- Keep endpoint detection and attachment scanning controls active.
Validation and detection
- Inventory Windows assets against the affected versions listed in the advisory.
- Confirm CVE-2024-38213 remediation is installed through patch management reporting.
- Review EDR alerts involving downloaded or externally received files.
- Check high-risk user groups for delayed Windows security updates.
- Validate user-facing controls still warn on untrusted external files.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-693: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-38213 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows Mark of the Web Security Feature Bypass VulnerabilityCVE reference · vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38213CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Protection Mechanism Failure
Protection Mechanism Failure represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.