Security readout for executives and security teams
Plain-English summary
A locally authenticated attacker with limited privileges could exploit a Windows Setup and Deployment weakness to gain elevated access. Successful exploitation could expose or alter sensitive data and disrupt the affected system. The supplied evidence identifies Windows 11 Version 24H2 build 10.0.26100.0.
Executive priority
Treat this as a high-priority endpoint remediation issue, particularly on shared workstations and sensitive systems. It is not described as remotely exploitable, and active exploitation is unconfirmed. Prompt patching reduces the chance that an attacker who already has limited local access can expand control.
Technical view
CVE-2024-43457 is a local elevation-of-privilege vulnerability associated with CWE-428. Its CVSS 3.1 vector indicates low attack complexity, low privileges required, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. The supplied sources provide no deeper root-cause details.
Likely exposure
Exposure is supported only for Windows 11 Version 24H2 build 10.0.26100.0 in the supplied bundle. Prioritize endpoints running that exact build, especially systems accessible to untrusted or minimally privileged local users. No other products or versions should be inferred.
Exploitation context
Exploitation requires local access and existing low privileges, but has low stated complexity and needs no user interaction. The bundle does not list this CVE in CISA KEV and provides no cited evidence of active exploitation or public exploit availability.
Researcher notes
The CWE-428 classification suggests an unquoted search-path or element issue, but the bundle does not describe the vulnerable execution flow or privilege boundary. Avoid assuming a specific executable, path, resulting privilege level, or attack technique. Confirm technical details and update applicability directly with Microsoft.
Mitigation direction
- Review the Microsoft advisory and apply its approved security update through normal change controls.
- Prioritize shared or sensitive systems where untrusted users can obtain local sessions.
- Restrict unnecessary local access until affected systems are updated.
- Check Microsoft guidance for any prerequisites or additional mitigations.
Validation and detection
- Inventory Windows 11 Version 24H2 devices and record their exact OS builds.
- Identify systems running build 10.0.26100.0 for prioritized remediation.
- Verify the applicable Microsoft security update is installed successfully.
- Recheck OS build and update status after remediation and restart requirements.
- Monitor Microsoft guidance for revised affected-version or remediation information.
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-428: 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 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-2024-43457 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
- Windows Setup and Deployment 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.
Unquoted Search Path or Element
Unquoted Search Path or Element represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.