Patch tracker / CVE reference / CVE-2026-70354

CVE-2026-70354

CVE-2026-70354 is a high severity Microsoft vulnerability with a CVSS score of 7.8. Microsoft has shipped the fix: deploy one of the 22 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Risk summary

High

7.8

CVSS v3

6.2%

EPSS, 30 days

High

Severity

Not in the CISA KEV catalog. EPSS exploit probability 6.2%. CVSS 7.8 (High).

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

Senserva AI Opinion and rich prompt for CVE-2026-70354

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-2026-70354 (source: https://senserva.com/cve/CVE-2026-70354.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed once a day (5 AM US Central)):
- CVE-2026-70354: High severity Microsoft vulnerability, CVSS 7.8
- EPSS 30-day exploitation probability: 6.2%
- Actively exploited (CISA KEV): no
- Fixed by: KB5120418, KB5120695, KB5120698, KB5120699, KB5120700, KB5120701, KB5120702, KB5120703, KB5120704, KB5120705, KB5120706, KB5120708, KB5120709, KB5120710, KB5120711, KB5120713, KB5120714, KB5120716, KB5120747, KB5122104, KB5122105, KB5122106
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 6%.

Fixed by KB5120418 and 21 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-2026-70354

Moderate priority: schedule it in your normal patch cycle. In Intune or Defender, confirm whether the fixing updates KB5120418, KB5120695, KB5120698, KB5120699, KB5120700, KB5120701, KB5120702, KB5120703, KB5120704, KB5120705, KB5120706, KB5120708, KB5120709, KB5120710, KB5120711, KB5120713, KB5120714, KB5120716, KB5120747, KB5122104, KB5122105, KB5122106 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-2026-70354. 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.

KB5120418 KB5120695 KB5120698 KB5120699 KB5120700 KB5120701 KB5120702 KB5120703 KB5120704 KB5120705 KB5120706 KB5120708 KB5120709 KB5120710 KB5120711 KB5120713 KB5120714 KB5120716 KB5120747 KB5122104 KB5122105 KB5122106

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

CVE-2026-70354

Risk summary

Official patch(es) for CVE-2026-70354

Scope and sources