CVE-2025-47827

igel os, microsoft windows 10 1507, microsoft windows 10 1607

Published 5 Jun 2025 · updated 17 Jun 2026 · Analyzed

4.6 Medium · CVSS 3.1, CISA ADP

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 14 Oct 2025, with a remediation deadline of 4 Nov 2025 for US federal agencies.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description

In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.

References

github.com/Zedeldi/CVE-2025-47827 · Exploit, Third Party Advisory
github.com/Zedeldi/igelfs · Product
msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827 · Third Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827 · US Government Resource