Security readout for executives and security teams
Plain-English summary
This flaw can let downloaded content bypass Windows Mark of the Web protections, reducing warnings or security checks that normally help protect users. Exploitation still requires user interaction. Although its CVSS score is moderate, CISA’s Known Exploited Vulnerabilities listing makes remediation urgent for affected Windows endpoints and servers.
Executive priority
Treat as a high-priority patching item because CISA confirms known exploitation. Accelerate remediation beyond normal handling for a medium-severity CVSS score, especially on employee endpoints and sensitive servers. Track exceptions explicitly and obtain Microsoft-supported guidance for systems that cannot receive the applicable update.
Technical view
CVE-2024-38217 is a Windows security-feature bypass categorized as CWE-693. It is remotely reachable, low complexity, requires no privileges, and needs user interaction. The supplied CVSS 3.1 vector indicates no confidentiality impact and low integrity and availability impact. Microsoft identifies security updates, but the bundle does not provide update identifiers.
Likely exposure
Exposure exists where listed Windows 10, Windows 11, or Windows Server versions remain unpatched and users handle externally obtained content. The supplied affected list extends through Windows Server 2016; exposure for unlisted products cannot be determined from this bundle.
Exploitation context
CISA KEV inclusion supports active exploitation in the wild. The source bundle does not identify campaigns, threat actors, exploitation volume, or specific delivery methods. User interaction is required, so externally delivered content and social-engineering pathways are the most relevant defensive focus without assuming a particular attack chain.
Researcher notes
The record describes a Mark of the Web security-feature bypass with CWE-693 and CVSS 5.4. Exploit mechanics should not be inferred from the title alone. KEV establishes exploitation, while the supplied evidence does not establish prevalence or direct code-execution impact. Validate affected builds and fixes against Microsoft’s advisory.
Mitigation direction
- Apply Microsoft’s security update specified for each affected Windows version in the MSRC advisory.
- Prioritize internet-facing, user-operated, and high-value systems while completing fleet-wide remediation.
- Use supported Windows releases and follow Microsoft guidance for legacy systems requiring extended servicing.
- Maintain layered controls for externally sourced files while patches are deployed.
Validation and detection
- Inventory Windows editions, versions, and build numbers against Microsoft’s affected-product table.
- Verify installation of the applicable Microsoft update on every affected system.
- Confirm vulnerability-scanning or endpoint-management results show no outstanding applicable update.
- Review security telemetry for suspicious execution associated with externally obtained content.
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-2024-38217 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
- 5.4 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/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
SSVC decision data
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:L/A:L/E:F/RL:O/RC:C2.82.5microsoftVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:F/RL:O/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Added to KEVCISA-ADP
CISA Known Exploited Vulnerabilities metadata lists this CVE as known exploited.
- ADP timelineCISA-ADP
CVE-2024-38217 added to CISA KEV
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2024-09-10T00:00:00.000Z: CVE-2024-38217 added to CISA KEV
Source materials
- CVE List V5 sourceCVE List V5
- Windows Mark of the Web Security Feature Bypass VulnerabilityCVE reference, microsoft · vendor-advisory, patch
- https://www.elastic.co/security-labs/dismantling-smart-app-controlCVE reference, CVE
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38217CVE reference, CISA-ADP · 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.