Medium 4.6Known exploited (CISA KEV)Published Jun 4, 2025

CVE-2025-47827In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature.

Updated under an hour ago (Oct 27, 2026, 12:50 PM ET)

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It affects igel_os and 15 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Oct 14, 2025; federal agencies had to remediate by Nov 4, 2025. Treat that date as your deadline.

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Every CVE for igel_os

Exploited in the last 30 days

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.

CVSS: 4.6 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-347
Known exploited: Added to CISA KEV Oct 14, 2025; federal remediation due Nov 4, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS (exploitation in the next 30 days): 4.93% (percentile 92)
Assigned by: mitre
NVD analysis: Analyzed
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

igel igel_os igel:igel_os	before 11.01.100	NVD
microsoft windows_10_1507 microsoft:windows_10_1507	before 10.0.10240.21161; before 10.0.10240.21161	NVD
microsoft windows_10_1607 microsoft:windows_10_1607	before 10.0.14393.8519; before 10.0.14393.8519	NVD
microsoft windows_10_1809 microsoft:windows_10_1809	before 10.0.17763.7919; before 10.0.17763.7919	NVD
microsoft windows_10_21h2 microsoft:windows_10_21h2	before 10.0.19044.6456	NVD
microsoft windows_10_22h2 microsoft:windows_10_22h2	before 10.0.19045.6456	NVD
microsoft windows_11_22h2 microsoft:windows_11_22h2	before 10.0.22621.6060	NVD
microsoft windows_11_23h2 microsoft:windows_11_23h2	before 10.0.22631.6060	NVD
microsoft windows_11_24h2 microsoft:windows_11_24h2	before 10.0.26100.6899	NVD
microsoft windows_11_25h2 microsoft:windows_11_25h2	before 10.0.26200.6899	NVD
1–10 of 16

References

References

https://github.com/Zedeldi/igelfs	product
https://github.com/Zedeldi/CVE-2025-47827	exploit, third-party-advisory
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827	third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827	us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.