Security readout for executives and security teams
Plain-English summary
This Windows SmartScreen flaw can let malicious content avoid a security warning that normally helps stop unsafe files or links. Microsoft rates it high severity, and CISA lists it in the Known Exploited Vulnerabilities catalog, so organizations should treat it as a real-world remediation priority.
Executive priority
Make this a near-term patching priority. The combination of broad Windows exposure, high CVSS impact, and CISA KEV listing raises urgency beyond routine monthly maintenance.
Technical view
CVE-2024-29988 is a SmartScreen Prompt security feature bypass in supported Windows client and server versions. CVSS 3.1 is 8.8 with network attack vector, low complexity, no privileges required, and user interaction required. Successful exploitation is assessed as high impact to confidentiality, integrity, and availability.
Likely exposure
Exposure is likely on unpatched Windows 10, Windows 11, Windows Server 2019, and Windows Server 2022 systems listed by Microsoft, especially user endpoints that handle downloaded files, links, or attachments.
Exploitation context
CISA KEV status means known exploitation is supported by a government source. The provided bundle does not include campaign details, exploit mechanics, affected file types, or indicators of compromise.
Researcher notes
Evidence confirms affected Windows versions, high CVSS severity, CWE-693, official Microsoft advisory, and CISA KEV status. The bundle does not provide root-cause detail, exploit procedure, indicators, or compensating controls beyond vendor-guided remediation.
Mitigation direction
- Apply Microsoft guidance and security updates for CVE-2024-29988 across affected Windows versions.
- Prioritize internet-enabled user workstations and systems receiving email or web downloads.
- Use endpoint management to verify update deployment, not only patch approval.
- Check CISA KEV deadlines and align remediation with internal emergency patch SLAs.
Validation and detection
- Inventory Windows versions against the affected Microsoft product list.
- Confirm each affected system has the applicable Microsoft update for CVE-2024-29988 installed.
- Review endpoint telemetry for suspicious downloaded-file execution and SmartScreen-related alerts.
- Validate coverage in vulnerability management tools after patch deployment.
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-2024-29988 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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:H/I:H/A:H/E:F/RL:O/RC:C2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- SmartScreen Prompt Security Feature Bypass VulnerabilityCVE reference · vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-29988CVE 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.
