Patch tracker / CVE reference / CVE-2026-35433

CVE-2026-35433

CVE-2026-35433 is a high severity Microsoft vulnerability with a CVSS score of 7.3. Microsoft has shipped the fix: deploy one of the 18 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Risk summary

High

7.3

CVSS v3

2.4%

EPSS, 30 days

High

Severity

Not in the CISA KEV catalog. EPSS exploit probability 2.4%. CVSS 7.3 (High).

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

Senserva AI Opinion for CVE-2026-35433

This is an elevation of privilege flaw in the .NET runtime itself, affecting versions 8.0, 9.0, and 10.0 on Windows, so any Windows host or server running managed .NET applications is in scope rather than a single product. Severity is High with a CVSS of 7.5, but exploit probability is low at 2 percent, it is not in CISA KEV, and there is no known ransomware use. Because three supported .NET major versions are impacted, many environments will need to patch more than one runtime.

Do this: Inventory every Windows host for installed .NET 8.0, 9.0, and 10.0 runtimes and apply the corresponding Microsoft .NET security update to each version present.

AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for CVE-2026-35433

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-2026-35433 (source: https://senserva.com/cve/CVE-2026-35433.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- CVE-2026-35433: High severity Microsoft vulnerability, CVSS 7.3
- EPSS 30-day exploitation probability: 2.4%
- Actively exploited (CISA KEV): no
- Fixed by: KB5087048, KB5087049, KB5087051, KB5087053, KB5087054, KB5087055, KB5087058, KB5087059, KB5087061, KB5087063, KB5087064, KB5087065, KB5087066, KB5087067, KB5087068, KB5093446, KB5093447, KB5093448
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.

Schedule normally

No exploitation observed: not in the CISA KEV catalog, EPSS 2%.

Fixed by KB5087048 and 17 more (by build, listed below). Download from the Microsoft Update Catalog, or deploy via Windows Update, Intune, or WSUS.

Do this now: Deploy with your normal update cycle. This page refreshes daily; the verdict changes the day the data does.

Official patch(es) for CVE-2026-35433

Moderate priority: schedule it in your normal patch cycle. In Intune or Defender, confirm whether the fixing updates KB5087048, KB5087049, KB5087051, KB5087053, KB5087054, KB5087055, KB5087058, KB5087059, KB5087061, KB5087063, KB5087064, KB5087065, KB5087066, KB5087067, KB5087068, KB5093446, KB5093447, KB5093448 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-2026-35433. 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.

KB5087048 KB5087049 KB5087051 KB5087053 KB5087054 KB5087055 KB5087058 KB5087059 KB5087061 KB5087063 KB5087064 KB5087065 KB5087066 KB5087067 KB5087068 KB5093446 KB5093447 KB5093448

Scope and sources

Affected products

Fixed by the same updates

CVE-2026-32175 CVE-2026-42899 CVE-2026-32177

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.