CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Nov 4, 2025
Description
IGEL OS contains a use of a key past its expiration date vulnerability that allows for Secure Boot bypass. The igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
EPSS — Exploit Probability
1.8%
Higher than 82.8% of all CVEs
Required Action
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827 ; https://nvd.nist.gov/vuln/detail/CVE-2025-47827
Risk Assessment
ELEVATEDIn CISA KEV
Details
- Severity
- High
- EPSS
- 1.8%
- CISA KEV
- Yes
- Ransomware
- Unknown
- Articles
- 0
Timeline
Published
Oct 14, 2025
Added to KEV
Oct 14, 2025
Remediation Due
Nov 4, 2025