Microsoft patches 33 Azure Linux flaws
Microsoft released patches for 33 vulnerabilities in Azure Linux 3 components, including kernel, QEMU, and system libraries, enabling privilege escalation.
Sourcecert.ssi.gouv.fr — open the original
What to check
- Applies to
- The 33 CVEs named below. Whether you run an affected version is not assessed: check the versions the source lists.
- Exploitation
- No exploitation in the wild and no public exploit is recorded for the CVEs named.
CERT-FR has issued an advisory covering 33 vulnerabilities affecting Microsoft Azure Linux 3 (azl3) components. The flaws span multiple core packages including the Linux kernel (6.6.139.1-1 and earlier), QEMU (9.1.0-7 and earlier), EDK2 firmware, Erlang runtime, OpenSC smart card library, and Python pip. All vulnerabilities enable privilege escalation, with one categorized as an unspecified security issue by the vendor.
Microsoft published security bulletins between June 4-17, 2026, addressing the vulnerabilities with CVE identifiers ranging from CVE-2026-7383 to CVE-2026-49760. Affected organizations running Azure Linux 3 should apply the vendor-supplied patches immediately. The affected packages include fundamental system components: kernel 6.6.141.1-1, QEMU 9.1.0-8, EDK2 20240524git3e722403cd16-18, Erlang 26.2.5.21-2, OpenSC 0.27.1-2, and Python pip 24.2-9.
While the advisory provides limited technical detail on exploitation vectors or real-world targeting, the scope and privilege-escalation impact warrant prompt remediation by Azure Linux users. Microsoft's security bulletins contain detailed patch information and affected version specifics.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0783/
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