Review reviewHigh

CVE-2016-20085

Realtek Realtek High Definition Audio Driver

Realtek High Definition Audio Driver 6.0.1.6730 contains an unquoted service path vulnerability that allows local attackers to escalate privileges by placing a malicious executable in the service path. Attackers can insert an executable file in the unquoted path and restart the service to execute code with LocalSystem privileges.

CVSS
8.5
EPSS
0.17%
6.42% percentile
CISA KEV
Not listed
Published
2026.06.20
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.17%
Technical severityCVSS 8.5

Vulnerability overview

Realtek High Definition Audio Driver 6.0.1.6730 contains an unquoted service path vulnerability that allows local attackers to escalate privileges by placing a malicious executable in the service path. Attackers can insert an executable file in the unquoted path and restart the service to execute code with LocalSystem privileges.

Affected product and versions

Product
Realtek Realtek High Definition Audio Driver
Affected versions
6.0.1.6730
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Realtek Realtek High Definition Audio Driver and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-428