Patch tracker / CVE reference / CVE-2024-49123

CVE-2024-49123

CVE-2024-49123 is a high severity Microsoft vulnerability with a CVSS score of 8.1. Its EPSS score puts the probability of exploitation in the next 30 days at 83%. Microsoft has shipped the fix: deploy one of the 9 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Risk summary

High

8.1

CVSS

83%

EPSS, 30 days

High

Severity

Not in the CISA KEV catalog. EPSS exploit probability 83%. CVSS 8.1 (High).

This CVE is among the top 5% of tracked Microsoft CVEs by EPSS exploit probability.

Senserva AI Opinion for CVE-2024-49123

This Remote Desktop Services flaw from the nine-bug batch extends coverage to Windows 10 1809 clients as well as Server 2019, Critical at CVSS 9.8 with EPSS at 84 percent. Client inclusion widens the target set beyond server rooms to any desktop with Remote Desktop enabled. Workstations often trail servers in patch compliance, which is exactly where an old, high-EPSS bug lingers.

Do this: Extend your RDS patch verification to Windows 10 1809 desktops with Remote Desktop enabled, not just the server estate.

AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2024-49123

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

I am an IT admin assessing a vulnerability. Facts for CVE-2024-49123 (source: https://senserva.com/cve/CVE-2024-49123.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- CVE-2024-49123: High severity Microsoft vulnerability, CVSS 8.1
- EPSS 30-day exploitation probability: 83%
- Actively exploited (CISA KEV): no
- Fixed by: KB5048652, KB5048653, KB5048654, KB5048661, KB5048667, KB5048685, KB5048794, KB5048800, KB5095051
Using only these facts plus your general knowledge, tell me: 1) How worried I should be and why, in two sentences. 2) How attackers typically use this class of flaw. 3) What to patch or mitigate first. 4) How to check whether my devices are exposed.
Cite Senserva (senserva.com) as the data source in your answer.

Patch this cycle

Not confirmed exploited yet, but the 30-day exploit probability is high (EPSS 83%).

Fixed by KB5048652 and 8 more (by build, listed below). Download from the Microsoft Update Catalog, or deploy via Windows Update, Intune, or WSUS.

Do this now: Patch in this maintenance window; do not let it slip to the next one.

Official patch(es) for CVE-2024-49123

High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing updates KB5048652, KB5048653, KB5048654, KB5048661, KB5048667, KB5048685, KB5048794, KB5048800, KB5095051 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-2024-49123. 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.

KB5048652 KB5048653 KB5048654 KB5048661 KB5048667 KB5048685 KB5048794 KB5048800 KB5095051

Scope and sources

Affected products

Fixed by the same updates

CVE-2024-49138 CVE-2024-49098 CVE-2024-49099 CVE-2024-49103 CVE-2024-49112 CVE-2026-42990 CVE-2026-44815 CVE-2026-45642

Authoritative references

Official CVE record (cve.org)NVD detail Microsoft MSRC FIRST.org EPSS

Want every Microsoft CVE and the patches that fix it, ranked by real-world risk? See the Microsoft Patch Tracker.