CVE-2023-27504
Improper conditions check in some Intel(R) BIOS Guard firmware may allow a privileged user to potentially enable escalation of privilege via local access.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper conditions check in some Intel(R) BIOS Guard firmware may allow a privileged user to potentially enable escalation of privilege via local access.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
- EPSS
- 0.19% probability · 8th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-92
- Source
- secure@intel.com
EPSS 0.2% since 4 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.