What is the CVSS score of CVE-2024-30088?

CVE-2024-30088 has a CVSS 3.1 base score of 7.0 (High). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 84.1%.

Is there a public PoC exploit available for CVE-2024-30088?

Yes, a public proof-of-concept exploit is available for CVE-2024-30088. Prioritise patching immediately. EPSS: 84.1%.

How to fix or mitigate CVE-2024-30088?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Vendor patch is available.

Windows 10 1507 CVE-2024-30088

HIGH

Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)

2024-06-11 secure@microsoft.com

Information Disclosure Microsoft Windows 10 1507 Windows 10 1607 Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows 11 21H2

7.0

CVSS 3.1 · Vendor: microsoft

View

Vulnerability Assessment

Weakness	CWE CWE-367 OWASP Top 10:2025 A04:2021 - Insecure Design ASVS 5.0 V1 - Architecture, Design and Threat Modeling Secure design patterns, threat modeling
Impact	High risk (CVSS 7.0, EPSS 84.1%). Attribution to OilRig/APT34 indicates use in sophisticated espionage operations targeting government and critical infrastructure in the Middle East.
Exploit ScenarioDerived	OilRig operators use initial access through spear-phishing, then deploy the kernel TOCTOU exploit to escalate privileges. With SYSTEM access, they dump credentials, move laterally, and establish persistent access for long-term intelligence collection.

Act Now Prioritize within 24-48h. Why: In CISA KEV with patch available.

Exploited in the wild (CISA KEV) Patch available 84.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 26, 2026

Windows Kernel contains a TOCTOU race condition vulnerability allowing local privilege escalation, exploited by the OilRig (APT34/Iranian) group for government network compromise.

Earlier versions of this analysis (1)

v1 Mar 26, 2026 - 11:20 CVSS 7.0

A Time-of-Check-Time-of-Use (TOCTOU) race condition in the Windows Kernel allows local privilege escalation. Exploited by the Iranian OilRig (APT34) group in targeted campaigns against Middle Eastern government networks.

RemediationAI

Apply Microsoft security update. Deploy Windows Defender Credential Guard. Monitor for kernel exploitation indicators. Implement network segmentation to limit lateral movement.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The CWE-367 TOCTOU vulnerability in the kernel allows a local attacker to win a race condition between security check and resource use, escalating from standard user to SYSTEM privileges.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (microsoft) PRIMARY 7.0 HIGH

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Oct 28, 2025 - 14:23 cisa

CISA KEV

Patch released

Oct 28, 2025 - 14:23 nvd

Patch available

CVE Published

Jun 11, 2024 - 17:15 nvd

HIGH 7.0

DescriptionCVE.org

Windows Kernel Elevation of Privilege Vulnerability

Executive ViewAI

Why It Matters

CVE-2024-30088 presents moderate security risk rated CVSS 7.0. Exploitation could compromise the security of affected deployments. This vulnerability is actively exploited in the wild (KEV-listed) and requires immediate remediation. A patch is available and should be applied as part of regular vulnerability management.

Business Impact: Severe

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

Threat Score

8.9/10

Composite threat intelligence

EPSS Score

84.1%

Top 1% exploitable

Threat Intel

1 source

Exploit

POC

Public exploit code exists

Data Quality

6 sources

Confidence: High

NVD

CVE.org

CISA KEV

EPSS THREAT

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV Yes

Public POC Yes

EPSS 84.1%

Patch available Yes

Active threat Yes

Deciding rule

In CISA KEV with patch available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Out-of-Cycle

Exploitation· derived

Active

System Exposure· derived

Small

Automatable· derived

Human Impact

Very High

Priority Score

199

Low Medium High Critical

KEV: +50

EPSS: +84

CVSS: +35

PoC: +20

Weaponized: 0

Threat intel: +10

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*

cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*

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Same weakness CWE-367 – Time-of-check Time-of-use (TOCTOU) Race Condition

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Threat IntelligenceMISP

Threat Actors

OilRig

ATT&CK Techniques (observed)

T1203 - Exploitation for Client Execution T1068 - Exploitation for Privilege Escalation

Sources: MITRE ATT&CK

References

Advisories & patches

PATCH https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-30088 REF https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-30088

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GitHub PoC

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