Medium severity · published Dec 9, 2025
CVE-2024-38798
Uncleared password keystrokes in circular queue can lead to information disclosure or escalation of privilege
5.8
CVSS
0.1%
EPSS
No
On KEV
Description
EDK2 contains a vulnerability in BIOS where an attacker may cause “Exposure of Sensitive Information to an Unauthorized Actor” by local access. Successful exploitation of this vulnerability will lead to
possible information disclosure or escalation of privilege
and impact Confidentiality.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ED
EDK2 · TianoCore
before edk2-stable202511 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-38798
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-38798
github.com
https://github.com/tianocore/edk2/security/advisories/GHSA-q2c6-37h5-7cwf
More from EDK2
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder
9.8
CVE-2021-38578
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize
9.5
CVE-2026-97631
Pre-boot RCE in EDK II PXE driver
8.8
CVE-2025-2486
UEFI Shell accessible in AAVMF with Secure Boot enabled on Ubuntu
8.8
CVE-2023-45235
EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy Advertise message