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CVE-2024-7344

27
FAUCET Score

CVE-2024-7344 describes a critical vulnerability in the Howyar UEFI Application "Reloader" (32-bit and 64-bit), affecting products from vendors like cs_grp, greenware, and Howyar. This flaw allows for the execution of unsigned software from a hardcoded path, bypassing security mechanisms. With a CVSS score of 8.2 (HIGH), it presents a significant risk, enabling an attacker with high privileges to compromise system integrity, confidentiality, and availability. While not yet listed in CISA's KEV catalog or having public exploit code in Metasploit or ExploitDB, the vulnerability has garnered substantial community discussion and media coverage, indicating high awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.1.024-20241127CPE matchmatch criteria
cpe:2.3:a:cs-grp:neo_impact:*:*:*:*:*:*:*:*
< 10.2.023-20240927CPE matchmatch criteria
cpe:2.3:a:greenware:greenguard:*:*:*:*:*:*:*:*
< 10.2.023_20240919CPE matchmatch criteria
cpe:2.3:a:howyar:sysreturn:*:*:*:*:*:*:*:*
< 11.2.023-20240927CPE matchmatch criteria
cpe:2.3:a:radix:smart_recovery:*:*:*:*:*:*:*:*
< 10.3.024-20241127CPE matchmatch criteria
cpe:2.3:a:sanfong:ez-back_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.5
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 97th percentile among its peer group of 358 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (31)

microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.6775
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.6775
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019Fixed in: 10.0.17763.6775
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.6775
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022Fixed in: 10.0.20348.3091
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.3091
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19044.5371
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 10.0.19044.5371
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19044.5371
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 22H2 for ARM64-based SystemsFixed in: 10.0.22621.4751
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 22H2 for x64-based SystemsFixed in: 10.0.22621.4751
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 22H2 for x64-based SystemsFixed in: 10.0.19045.5371
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 10.0.19045.5371
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 22H2 for 32-bit SystemsFixed in: 10.0.19045.5371
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2025 (Server Core installation)Fixed in: 10.0.26100.2894
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 24H2 for ARM64-based SystemsFixed in: 10.0.26100.2894
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 24H2 for x64-based SystemsFixed in: 10.0.26100.2894
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2025Fixed in: 10.0.26100.2894
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 23H2 for ARM64-based SystemsFixed in: 10.0.22631.4751
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 23H2 for x64-based SystemsFixed in: 10.0.22631.4751
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022, 23H2 Edition (Server Core installation)Fixed in: 10.0.25398.1369
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for 32-bit SystemsFixed in: 10.0.10240.20890
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for x64-based SystemsFixed in: 10.0.10240.20890
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.7699
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.7699
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016Fixed in: 10.0.14393.7699
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.7699
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012Fixed in: 6.2.9200.25273
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 (Server Core installation)Fixed in: 6.2.9200.25273
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2Fixed in: 6.3.9600.22371
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2 (Server Core installation)Fixed in: 6.3.9600.22371
View patch

Vendor Advisories (2)

redhatCVE-2024-7344Important

howyar-sysreturn: Howyar UEFI Application "Reloader": Unsigned software execution via hardcoded path

Jan 14, 2025
microsoft2025-Jan/CVE-2024-7344Important

Cert CC: CVE-2024-7344 Howyar Taiwan Secure Boot Bypass

Jan 14, 2025

References

welivesecurity.com / en/eset-research/under-cloak-uefi-secure-boot-introducing-cve-2024-7344
ExploitMitigationThird Party Advisory
kb.cert.org / vuls/id/529659
Third Party AdvisoryUS Government Resource
uefi.org / revocationlistfile
Patch
uefi.org / specs/UEFI/2.10/03_Boot_Manager.html
Related
uefi.org / specs/UEFI/2.10/32_Secure_Boot_and_Driver_Signing.html
Related
eset.com / blog/enterprise/preparing-for-uefi-bootkits-eset-discovery-shows-the-importance-of-cyber-intelligence
Related