Skip to content
Fencer Vulns
high 8.0

CVE-2024-26240 json

Secure Boot Security Feature Bypass Vulnerability

published 2024-04-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-23516

cvss
8.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

Secure Boot Security Feature Bypass Vulnerability

Patch / fix

  • Microsoft Windows 10 Version 1809 10.0.17763.5696
  • Microsoft Windows Server 2019 10.0.17763.5696
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.5696
  • Microsoft Windows Server 2022 10.0.20348.2402
  • Microsoft Windows 11 version 21H2 10.0.22000.2899
  • Microsoft Windows 10 Version 21H2 10.0.19044.4291
  • Microsoft Windows 11 version 22H2 10.0.22621.3447
  • Microsoft Windows 10 Version 22H2 10.0.19045.4291
  • Microsoft Windows 11 version 22H3 10.0.22631.3447
  • Microsoft Windows 11 Version 23H2 10.0.22631.3447
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.830
  • Microsoft Windows 10 Version 1507 10.0.10240.20596
  • Microsoft Windows 10 Version 1607 10.0.14393.6897
  • Microsoft Windows Server 2016 10.0.14393.6897
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.6897
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22618
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.22618
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22618
  • Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.27067
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.27067
  • Microsoft Windows Server 2012 6.2.9200.24821
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.24821
  • Microsoft Windows Server 2012 R2 6.3.9600.21924
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.21924

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 11 version 22H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows 11 version 22H3
  • Microsoft Windows 11 Version 23H2
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
  • Microsoft Windows 10 Version 1507
  • Microsoft Windows 10 Version 1607
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 R2 Service Pack 1
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.