PatchSiren

PatchSiren cyber security CVE debrief

CVE-2024-30088 Microsoft CVE debrief

CVE-2024-30088 is a Microsoft Windows Kernel time-of-check time-of-use (TOCTOU) race condition vulnerability that CISA added to the Known Exploited Vulnerabilities catalog on 2024-10-15. The supplied corpus identifies it as known exploited and notes known ransomware campaign use. Because the provided sources are limited, this debrief does not add impact or affected-version details beyond the official records.

Vendor
Microsoft
Product
Windows
CVSS
HIGH 7
CISA KEV
Listed
Original CVE published
2024-10-15
Original CVE updated
2024-10-15
Advisory published
2024-10-15
Advisory updated
2024-10-15

Who should care

Windows administrators, endpoint security teams, vulnerability managers, incident responders, and anyone responsible for patching or mitigating Microsoft Windows systems should treat this as a priority item because it is in CISA KEV and marked as known exploited.

Technical summary

The official records describe the issue as a Microsoft Windows Kernel TOCTOU race condition vulnerability. CISA’s KEV entry flags it as known exploited and records known ransomware campaign use. The supplied corpus does not provide additional technical details such as exact attack preconditions, affected builds, or exploit mechanics.

Defensive priority

High / urgent. KEV inclusion and known ransomware campaign use indicate this should be prioritized ahead of non-KEV issues, especially on exposed or high-value Windows endpoints and servers.

Recommended defensive actions

  • Apply Microsoft-provided mitigations or updates for CVE-2024-30088 as soon as possible.
  • Follow the CISA KEV remediation deadline context: the due date listed in the supplied data is 2024-11-05.
  • Use Microsoft’s official guidance for CVE-2024-30088 to determine the appropriate fix or mitigation path for your environment.
  • If a mitigative update is not available for a system, follow CISA’s direction to discontinue use of the product until remediation is possible.
  • Inventory Windows assets to confirm which systems are exposed and track remediation status until closure.

Evidence notes

CISA’s Known Exploited Vulnerabilities entry lists vendorProject Microsoft, product Windows, vulnerability name 'Microsoft Windows Kernel TOCTOU Race Condition Vulnerability,' dateAdded 2024-10-15, dueDate 2024-11-05, and knownRansomwareCampaignUse 'Known.' The supplied source item metadata and timeline also show the same published/modified date of 2024-10-15. No CVSS score was provided in the corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-30088 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-30088

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-30088 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-30088

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.