Security readout for executives and security teams
Plain-English summary
This Windows vulnerability could let a low-privileged local user gain elevated control, potentially exposing or altering sensitive data and disrupting the system. It is rated high severity, but the supplied sources do not establish remote exploitation or active attacks.
Executive priority
Prioritize remediation within the normal high-severity patch window, accelerating systems exposed to untrusted local users or likely post-compromise activity. This is not presented as an internet-direct vulnerability, but successful exploitation could provide complete confidentiality, integrity, and availability impact on the affected host.
Technical view
CVE-2024-30089 is a Microsoft Streaming Service elevation-of-privilege vulnerability classified as CWE-416, use-after-free. CVSS 3.1 is 7.8: local access, low complexity, low privileges, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure includes the listed Windows 10, Windows 11, Windows Server 2019, and Windows Server 2022 releases. Exploitation requires local access and existing low privileges, so compromised accounts, malware footholds, and shared systems increase practical risk.
Exploitation context
The bundle marks this CVE as absent from KEV and provides no evidence of active exploitation. The CVSS vector indicates local, low-complexity exploitation without user interaction, but exploit maturity is unspecified. Treat it primarily as a privilege-escalation opportunity following initial access.
Researcher notes
The key technical signal is CWE-416 use-after-free in Microsoft Streaming Service. The supplied material does not identify the vulnerable component path, trigger, affected configurations, patch KB numbers, public proof of concept, or attack indicators. Validation should therefore rely on Microsoft’s advisory and authoritative update status, not speculative service checks.
Mitigation direction
- Review Microsoft’s CVE advisory and apply the applicable security update for each affected Windows release.
- Prioritize shared systems, servers, administrator workstations, and endpoints where untrusted users may obtain local access.
- Restrict unnecessary local accounts and investigate compromised credentials or malware footholds while patching proceeds.
- Check current Microsoft guidance if an affected system cannot be updated promptly.
Validation and detection
- Inventory systems running the affected Windows releases and versions listed in Microsoft’s advisory.
- Verify the applicable Microsoft security update is installed using approved patch-management evidence.
- Confirm systems were restarted if required by Microsoft’s update guidance.
- Rescan patched assets and reconcile failures, exclusions, and unsupported systems.
- Monitor endpoint telemetry for suspicious privilege changes, while recognizing the bundle provides no CVE-specific indicators.
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-416: 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-2024-30089 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
- Microsoft Streaming Service 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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.