Patch tracker / CVE reference / CVE-2026-44824

CVE-2026-44824

CVE-2026-44824 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 35%. Microsoft has shipped the fix: deploy one of the 6 updates below from the Microsoft Update Catalog, and see where this CVE sits against the rest on the patch tracker.

Risk summary

Critical

9.8

CVSS

35%

EPSS, 30 days

Critical

Severity

Not in the CISA KEV catalog. EPSS exploit probability 35%. CVSS 9.8 (Critical).

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

Senserva AI Opinion for CVE-2026-44824

CVE-2026-44824 is a High Severity (CVSS 8.4) remote code execution flaw spanning both Microsoft Office 365 for Mac and on-premises SharePoint Enterprise Server 2016 and SharePoint Server 2019, an unusual mix that means desktop Mac users and server admins both need to act. It is not in CISA KEV, has no known ransomware use, and EPSS currently rates exploit probability at 0%, so this is patch-ahead-of-trouble rather than emergency response. The cross-product scope matters because these systems are often patched on separate cycles and one may lag behind.

Do this: Inventory your Office 365 for Mac installs and SharePoint 2016/2019 servers, then schedule the Microsoft update for whichever set is furthest behind on patching.

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

Senserva AI Opinion and rich prompt for CVE-2026-44824

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-2026-44824 (source: https://senserva.com/cve/CVE-2026-44824.html, data from MSRC, CISA KEV, FIRST.org EPSS, NVD, refreshed twice a day (5 AM and 3 PM US Central)):
- CVE-2026-44824: Critical severity Microsoft vulnerability, CVSS 9.8
- EPSS 30-day exploitation probability: 35%
- Actively exploited (CISA KEV): no
- Fixed by: KB5002873, KB5002874, KB5002876, KB5002878, KB5002880, KB5002881
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 35%).

Fixed by KB5002873 and 5 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-2026-44824

Elevated priority: high severity or a meaningful exploitation probability, sooner if an affected product is internet-facing. In Intune or Defender, confirm whether the fixing updates KB5002873, KB5002874, KB5002876, KB5002878, KB5002880, KB5002881 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-2026-44824. 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.

KB5002873 KB5002874 KB5002876 KB5002878 KB5002880 KB5002881

Scope and sources

Affected products

Fixed by the same updates

CVE-2026-58644 CVE-2026-33113 CVE-2026-44819 CVE-2026-44821 CVE-2026-45453 CVE-2026-45454 CVE-2026-45456 CVE-2026-45458

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.