Patch tracker / CVE reference / CVE-2024-38138
CVE-2024-38138
CVE-2024-38138 is a critical severity Microsoft vulnerability with a CVSS score of 9.8. Its EPSS score puts the probability of exploitation in the next 30 days at 71%. Microsoft has shipped the fix: deploy one of the 10 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.
Critical severity Microsoft vulnerability, CVSS 9.8. Fixed by 10 Microsoft security updates.
Risk summary
Updated July 24, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.
Senserva AI Opinion for CVE-2024-38138
CVE-2024-38138 is a Critical (CVSS 9.8) remote code execution flaw in Windows Deployment Services on Windows Server 2019 and 2022, including Server Core installations. WDS is the role many shops use to network-boot and image machines, so any server carrying this role is the exposure, not domain controllers or general file servers. The 71 percent EPSS score is high for a flaw not yet in CISA KEV, which suggests attackers are likely to weaponize it even though confirmed exploitation is not yet reported.
Do this: Identify which of your Server 2019 and 2022 hosts actually run the Windows Deployment Services role and apply the Microsoft patch for CVE-2024-38138 to those first.
AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2024-38138
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for CVE-2024-38138
Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.
Exploitation and severity
Not in the CISA KEV catalog. EPSS exploit probability 71%. CVSS 9.8 (Critical).
This CVE is among the top 25% of tracked Microsoft CVEs by EPSS exploit probability.
Official patch(es) for CVE-2024-38138
High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5042881, KB5043051, KB5043055, KB5043087, KB5043092, KB5043125, KB5043129, KB5043135, KB5043138, KB5044277 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.
Apply the Microsoft security updates below to fix CVE-2024-38138. Each KB page carries the Microsoft Update Catalog download, Microsoft's known issues for the update, a copy-paste PowerShell check for whether it is installed, and the Senserva AI read.
Affected products
Common questions about CVE-2024-38138
Is CVE-2024-38138 actively exploited?
It is not currently listed in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score puts the probability of exploitation in the next 30 days at 71%.
What patch fixes CVE-2024-38138?
Microsoft fixed CVE-2024-38138 in KB5042881, KB5043051, KB5043055, KB5043087, KB5043092, KB5043125, KB5043129, KB5043135, KB5043138, KB5044277. Download from the Microsoft Update Catalog, or let Intune, Windows Update, or WSUS deliver it.
Which products are affected by CVE-2024-38138?
Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022.
Can I ask my own AI about CVE-2024-38138?
Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2024-38138's key facts: severity, CVSS, EPSS exploit probability, CISA KEV status, and the fixing KB. Copy it into Claude, ChatGPT, or Copilot for a triage plan; the data is refreshed three times a day (5 AM, 12:30 PM, and 7 PM US Central).
Fixed by the same updates
If you are patching CVE-2024-38138, the same updates also fix these:
Authoritative references
Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.
