Security readout for executives and security teams
Plain-English summary
A flaw in Microsoft Message Queuing could let an unauthenticated remote attacker run code on a vulnerable Windows system. Successful exploitation could expose data, alter systems, or interrupt operations. Risk is greatest where MSMQ is installed and reachable over a network.
Executive priority
Treat this as an urgent patching and exposure-reduction issue. Assign immediate ownership to identify network-reachable MSMQ systems and deploy Microsoft's applicable updates. Systems supporting critical workflows or reachable from less-trusted networks should receive highest priority, even though active exploitation is not established by the supplied evidence.
Technical view
CVE-2024-30080 is a CWE-416 use-after-free vulnerability in Microsoft MSMQ. Its CVSS 3.1 score is 9.8, with network reachability, low complexity, no privileges, and no user interaction. Successful exploitation can compromise confidentiality, integrity, and availability without changing security scope.
Likely exposure
Potential exposure includes the listed Windows 10, Windows 11, and Windows Server releases where MSMQ is present. Network-accessible MSMQ deployments warrant the fastest review. The supplied evidence does not establish that every listed Windows installation enables or exposes MSMQ.
Exploitation context
The scoring indicates remote, unauthenticated exploitation with low attack complexity and no user interaction. The provided bundle marks the CVE as absent from KEV and supplies no cited evidence of active exploitation. Public detection and mitigation articles exist, but their presence alone does not prove exploitation.
Researcher notes
The supplied record classifies the weakness as use-after-free but provides no deeper root-cause details, exploit prerequisites beyond the CVSS vector, or confirmed exploitation evidence. Validate affected builds and update applicability directly against Microsoft. Do not infer exposure merely from the Windows version; confirm MSMQ presence and reachability.
Mitigation direction
- Apply the applicable Microsoft security update identified in the vendor advisory.
- Prioritize network-reachable systems running MSMQ, especially business-critical servers.
- Restrict unnecessary network access to MSMQ while updates are being completed.
- Check current Microsoft guidance before using any alternative or compensating mitigation.
Validation and detection
- Inventory listed Windows versions and determine where MSMQ is installed or enabled.
- Identify which MSMQ services are reachable across external, partner, or internal network boundaries.
- Verify installed security updates against Microsoft's CVE advisory for each operating-system release.
- Rescan or reassess systems after remediation and investigate any remaining vulnerable findings.
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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-30080 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C3.95.9microsoftVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/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 Message Queuing (MSMQ) Remote Code Execution VulnerabilityCVE reference, microsoft · vendor-advisory, patch
- https://www.vicarius.io/vsociety/posts/cve-2024-30080-detection-script-remote-code-execution-vulnerability-affecting-microsoft-msmq-1CVE reference, CVE
- https://www.vicarius.io/vsociety/posts/cve-2024-30080-mitigation-script-remote-code-execution-vulnerability-affecting-microsoft-msmqCVE reference, CVE
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.