Security readout for executives and security teams
Plain-English summary
This is a denial-of-service flaw in Microsoft’s Windows Mobile Broadband Driver. An unauthenticated attacker on an adjacent network could trigger a crash or outage condition. The sources do not indicate data theft, privilege escalation, or active exploitation.
Executive priority
Treat this as routine-to-priority patching, not an emergency response item, unless critical business systems depend on affected mobile broadband functionality.
Technical view
CVE-2024-43558 is rated CVSS 6.5 with AV:A/AC:L/PR:N/UI:N and availability impact only. The listed weakness categories are CWE-125 and CWE-20. Microsoft lists multiple Windows 10, Windows 11, and Windows Server versions as affected and provides a patch advisory.
Likely exposure
Exposure is most relevant to affected Windows systems using the Mobile Broadband Driver or mobile broadband capability. The attack vector is adjacent network, so broad internet-facing exposure is not indicated by the provided CVSS vector.
Exploitation context
The provided data says KEV is false and exploit maturity is unproven. No cited source states active exploitation. The impact is denial of service, not confidentiality or integrity compromise.
Researcher notes
Evidence is limited to the CVE metadata and Microsoft advisory. The CVSS vector indicates adjacent-network, unauthenticated, no-user-interaction denial of service. Do not assume remote internet exploitation or code execution from the provided sources.
Mitigation direction
- Apply the Microsoft security update for CVE-2024-43558 on affected Windows versions.
- Prioritize endpoints and servers with mobile broadband hardware or service enabled.
- Review Microsoft guidance for any product-specific update prerequisites.
- Track patch completion through normal endpoint and server management reporting.
Validation and detection
- Inventory affected Windows 10, Windows 11, and Windows Server builds.
- Confirm whether mobile broadband capability or drivers are present on those systems.
- Verify the Microsoft CVE-2024-43558 security update is installed.
- Document remaining exceptions and compensating controls for unpatched assets.
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-125: 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 lookupCWE-20: 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-2024-43558 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
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C2.83.6microsoftVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
- Windows Mobile Broadband Driver Denial of Service 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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.