HIGH CISA KEV

CVE-2026-68820

CVSS v3

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-09-26

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CISA Known Exploited Vulnerability

Date Added: 2026-08-11
Patch Due Date: 2026-08-25
Ransomware Use: Unknown

Technical details

Published: 2026-08-11
Last Modified: 2026-08-12

Frequently asked questions

What is CVE-2026-68820?

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Is CVE-2026-68820 actively exploited?

Yes. CVE-2026-68820 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-08-25.

What is the CVSS score for CVE-2026-68820?

CVE-2026-68820 has a CVSS v3 base score of 7 (HIGH severity).

Is CVE-2026-68820 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IP Search CVEs SIEM & TIP integrations

No credit card required · 500 free checks/month · Free API key

Go further

For a threat intelligence platform: malware, C2 and ransomware indicators over STIX/TAXII.

Other 2026 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database