Patch tracker / CVE reference / CVE-2024-43458

CVE-2024-43458

CVE-2024-43458 is a high severity Microsoft vulnerability with a CVSS score of 7.7. Its EPSS score puts the probability of exploitation in the next 30 days at 52%. Microsoft has shipped the fix: deploy the update below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Risk summary

High

7.7

CVSS

52%

EPSS, 30 days

High

Severity

Not in the CISA KEV catalog. EPSS exploit probability 52%. CVSS 7.7 (High).

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

Senserva AI Opinion for CVE-2024-43458

Windows Server 2016 and Windows 10 Version 1607, the oldest branch in this set, are the platforms for this networking information disclosure flaw, rated High Severity (CVSS 8.8) with a 52 percent EPSS score. Information disclosure over the network is reconnaissance gold, leaking data that can defeat mitigations or expose secrets. Systems still on the 2016 branch are usually the least monitored in the estate.

Do this: Patch remaining Server 2016 hosts, and use the exercise to inventory how many are left and why.

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

Senserva AI Opinion and rich prompt for CVE-2024-43458

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-2024-43458 (source: https://senserva.com/cve/CVE-2024-43458.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- CVE-2024-43458: High severity Microsoft vulnerability, CVSS 7.7
- EPSS 30-day exploitation probability: 52%
- Actively exploited (CISA KEV): no
- Fixed by: KB5043051
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 52%).

Fixed by KB5043051. 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-2024-43458

High priority: EPSS puts the odds of near-term exploitation high. In Intune or Defender, confirm whether the fixing update KB5043051 are installed across the affected products. Senserva does this automatically across your tenant and flags every missing patch.

Apply the Microsoft security update below to fix CVE-2024-43458. 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.

KB5043051

Scope and sources

Affected products

Fixed by the same update

CVE-2024-43461 CVE-2024-38014 CVE-2024-38217 CVE-2024-38260 CVE-2024-43455 CVE-2024-38240 CVE-2024-30073 CVE-2024-38046

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.