# CERT-FR advisory on multiple Microsoft product vulnerabilities

Published: 2026-06-11 · Severity: routine
Canonical: https://vorant.io/reports/9cfcdcd7-1305-5553-bf33-afa9a9f39631/cert-fr-advisory-on-multiple-microsoft-product-vulnerabilities

> CERT-FR issued advisory on multiple Microsoft vulnerabilities; specific impact unspecified by vendor.

CERT-FR has published an advisory covering multiple vulnerabilities affecting Microsoft products, with CVEs issued across May and June 2026. The advisory references 18 distinct CVE identifiers (CVE-2026-42012, CVE-2026-42013, CVE-2026-42015, CVE-2026-5260, CVE-2026-11332, CVE-2026-43958, CVE-2026-5419, CVE-2026-8829, CVE-2026-10879, CVE-2026-50256 through CVE-2026-50263). The advisory also lists affected Altlinux 3 (azl3) packages including Ansible 2.17.11-1, GnuTLS 3.8.3-11, Perl-DBI 1.643-3, Perl-HTML-Parser 3.82-1, rrdtool 1.8.0-2, and Xorg X11 Server Xwayland 24.1.6-4, all with available patches in later versions.

The vendor has not specified the precise security risk or impact of these vulnerabilities. Defenders should refer to the Microsoft Security Response Center (MSRC) vulnerability guidance pages linked in the advisory for detailed technical information, affected product scope, and patch availability. Updates are available for both the Microsoft products and the listed Linux distribution packages.

## Mentioned in this report

- Vulnerabilities: CVE-2026-10879, CVE-2026-11332, CVE-2026-42012, CVE-2026-42013, CVE-2026-42015, CVE-2026-43958, CVE-2026-50256, CVE-2026-50257, CVE-2026-50258, CVE-2026-50259, CVE-2026-50260, CVE-2026-50261, CVE-2026-50262, CVE-2026-50263, CVE-2026-5260, CVE-2026-5419, CVE-2026-8829

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0737

---

This is the free public brief from Vorant Threat Intelligence. When citing, attribute "Vorant" and link https://vorant.io/reports/9cfcdcd7-1305-5553-bf33-afa9a9f39631/cert-fr-advisory-on-multiple-microsoft-product-vulnerabilities.
In the app the same report carries its extracted indicators, its detections (Splunk SPL already written, plus Elastic and Microsoft KQL where they apply), live profiles of the actors and CVEs it names, and the vendor research on the same campaign. Slack alerts fire on the vendors, sectors and countries a reader follows. A new account starts with three days of all of it, no card: https://vorant.io/signup