Security readout for executives and security teams
Plain-English summary
This flaw lets an attacker bypass Windows SmartScreen protections after a user interacts with malicious content. The standalone CVSS score is medium, but CISA lists it as known exploited, so unpatched Windows endpoints and servers should be treated as a real operational risk.
Executive priority
Treat this as urgent despite the medium CVSS score because CISA confirms known exploitation. Prioritize patch verification across Windows endpoints and servers before accepting residual risk.
Technical view
CVE-2023-24880 is a Windows SmartScreen security feature bypass mapped to CWE-863. The CVSS vector is local, low complexity, no privileges required, and user interaction required, with limited integrity and availability impact. Microsoft lists affected Windows 10, Windows 11, Windows Server 2016, 2019, and 2022 versions.
Likely exposure
Exposure is likely where listed Windows desktop or server versions remain without Microsoft’s CVE-2023-24880 security update. User-facing workstations are especially relevant because exploitation requires user interaction.
Exploitation context
Active exploitation is supported by CISA KEV. The provided sources do not include exploit mechanics, campaign details, or telemetry volume, so assessment should stay focused on patch status and endpoint exposure.
Researcher notes
The bundle supports affected product scope, CVSS, CWE, Microsoft advisory status, and KEV exploitation status. It does not provide exploit details, indicators, or compensating controls beyond vendor update guidance.
Mitigation direction
- Apply Microsoft’s official security update for CVE-2023-24880.
- Prioritize listed Windows endpoints used for browsing, email, and file handling.
- Confirm Windows Server 2016, 2019, and 2022 systems are patched.
- Review Microsoft guidance for any superseding cumulative updates.
- Use CISA KEV status to drive remediation timelines.
Validation and detection
- Inventory systems running the affected Windows versions listed by Microsoft.
- Verify patch management reports include CVE-2023-24880 remediation.
- Check representative endpoints through Windows Update or enterprise update tooling.
- Review security logs for suspicious user-opened downloaded file activity.
- Track exceptions until Microsoft guidance confirms remediation.
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-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2023-24880 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
- 4.4 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/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
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:F/RL:O/RC:C1.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:F/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows SmartScreen Security Feature Bypass VulnerabilityCVE reference · vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24880CVE 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.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.