Security readout for executives and security teams
Plain-English summary
This is a Microsoft elevation-of-privilege issue in the Visual C++ Redistributable Installer and listed Visual Studio releases. A local, low-privileged attacker could gain higher privileges on an affected system. It is high severity, but the provided sources do not show active exploitation.
Executive priority
Treat this as a high-priority patching item for developer and Windows endpoint fleets. It is not presented as internet-remote or actively exploited in the provided evidence, but successful exploitation could produce full local system impact.
Technical view
CVE-2024-43590 is a CWE-284 improper access control vulnerability with CVSS 3.1 score 7.8. The vector is local, low complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. Microsoft lists official remediation availability.
Likely exposure
Exposure is most likely on Windows systems with affected Visual Studio 2017, 2019, or 2022 versions, or the affected Visual C++ Redistributable Installer. Developer workstations, build hosts, and managed endpoints are priority places to inventory.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. CVSS indicates exploitation requires local low-privileged access and no user interaction. No exploit details are provided in the cited sources.
Researcher notes
Available evidence confirms affected products, CVSS, CWE-284, and official remediation status. The sources do not explain the precise installer access-control failure, vulnerable code path, exploit primitives, or observed exploitation. Avoid assuming broader Microsoft product exposure beyond the listed products.
Mitigation direction
- Apply Microsoft’s official update guidance for CVE-2024-43590.
- Update affected Visual Studio versions to fixed supported releases.
- Update or replace affected Visual C++ Redistributable Installer packages.
- Prioritize developer endpoints, build systems, and shared Windows hosts.
- Check Microsoft guidance before relying on workarounds.
Validation and detection
- Inventory installed Visual Studio versions against the affected list.
- Identify deployed Visual C++ Redistributable Installer versions.
- Confirm Microsoft security updates are installed successfully.
- Verify vulnerability scanner detections map to CVE-2024-43590.
- Review golden images and build agents for vulnerable packages.
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-284: 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-43590 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
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/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.
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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C1.85.9microsoftVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/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.
- 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
Source materials
- CVE List V5 sourceCVE List V5
- Visual C++ Redistributable Installer Elevation of Privilege VulnerabilityCVE reference, microsoft · vendor-advisory, patch
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.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.