Security readout for executives and security teams
Plain-English summary
A flaw in Microsoft’s Windows Kernel Streaming Service Driver could let an already authenticated, low-privileged local user gain elevated control. Successful exploitation could compromise sensitive data, system integrity, and availability. It is not a remote, unauthenticated entry point, but it can amplify an initial foothold.
Executive priority
Treat as a high-priority patching issue, especially where attackers could already obtain local credentials or execute code. It is less urgent than a remotely exploitable unauthenticated flaw, but its high potential impact makes extended exposure unacceptable on sensitive endpoints and servers.
Technical view
CVE-2024-38245 is an improper input validation vulnerability (CWE-20) in the Windows Kernel Streaming Service Driver. It has CVSS 3.1 score 7.8: local access, low complexity, low privileges, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure applies to the Windows client and server releases explicitly listed in the source bundle, including several Windows 10, Windows 11, and Windows Server versions. Exploitation requires local access and existing low privileges, so compromised accounts, malware footholds, shared systems, and multi-user servers increase practical risk.
Exploitation context
The supplied evidence does not establish active exploitation, and the CVE is not identified as CISA KEV in the bundle. The vector indicates low-complexity local exploitation without user interaction after obtaining low privileges. Public exploit availability is not established by the supplied sources.
Researcher notes
The supplied vector is 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. Evidence supports improper input validation and local privilege escalation, but does not identify the malformed input, elevated privilege level, exploit primitives, affected driver components, or observed attack campaigns. Validate those details only through updated Microsoft guidance.
Mitigation direction
- Apply the applicable Microsoft security update referenced by the vendor advisory.
- Prioritize internet-facing, shared, privileged, and security-sensitive Windows systems.
- Restrict local access and unnecessary user accounts until updates are confirmed.
- Monitor Microsoft guidance for product-specific prerequisites or revised remediation details.
Validation and detection
- Inventory systems against the Windows editions and versions listed in the advisory.
- Confirm the applicable Microsoft security update is installed successfully.
- Check vulnerability-management results for CVE-2024-38245 after patching.
- Investigate update failures and systems lacking current security support.
- Review endpoint telemetry for suspicious privilege escalation from low-privileged accounts.
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-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 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-2024-38245 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
- Kernel Streaming Service Driver 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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.