SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-12307

Improper permissions in some Intel(R) High Definition Audio drivers before version 9.21.00.4561 may allow an authenticated user to potentially enable escalation of privilege via local access.

HIGH 7.8EPSS 0.32%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper permissions in some Intel(R) High Definition Audio drivers before version 9.21.00.4561 may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.32% probability · 24th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-276
Affected
intel/high definition audio driver
Source
secure@intel.com
EPSS trend
0%3%5%26 October 2026: 0.32%26 October 202626 October 2026

EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.