Security readout for executives and security teams
Plain-English summary
CVE-2024-43559 is a denial-of-service issue in Microsoft’s Windows Mobile Broadband Driver. Successful exploitation could make an affected Windows system lose availability, but the source bundle does not show data theft or code execution. Microsoft lists an official update, so remediation should focus on confirming affected Windows builds are patched.
Executive priority
Treat this as a normal monthly patching priority with attention to mobile or cellular-connected Windows assets. It affects availability, not confidentiality or integrity, based on the supplied sources.
Technical view
The CVE is classified as CWE-476, indicating a null pointer dereference. CVSS 3.1 is 6.5 with adjacent-network attack vector, low complexity, no privileges, no user interaction, and high availability impact only. Affected platforms include listed Windows 10, Windows 11, Windows Server 2019, and Windows Server 2022 23H2 Server Core builds.
Likely exposure
Exposure is most likely on listed Windows client or server versions that include or use the Windows Mobile Broadband Driver and have not received Microsoft’s CVE-2024-43559 update.
Exploitation context
The bundle does not support active exploitation. It is not in KEV, and the CVSS temporal vector marks exploit maturity as unproven. The adjacent-network requirement limits reach compared with internet-facing vulnerabilities.
Researcher notes
Public technical detail is limited. The available data supports a null pointer dereference denial of service in the Windows Mobile Broadband Driver, requiring adjacent-network access. Do not assume remote code execution, internet exploitability, or active exploitation from these sources.
Mitigation direction
- Apply Microsoft’s official update for CVE-2024-43559.
- Inventory listed Windows 10, Windows 11, and Windows Server builds.
- Prioritize systems using mobile broadband or cellular connectivity.
- Check MSRC for any updated workaround or deployment guidance.
- Track patch completion through endpoint management tooling.
Validation and detection
- Confirm each endpoint’s Windows build against the affected version list.
- Verify the relevant Microsoft security update is installed.
- Identify devices with the Windows Mobile Broadband Driver present or active.
- Review availability incidents for matching driver-related crashes.
- Monitor MSRC for changes to affected products or guidance.
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-476: 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-2024-43559 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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.