CVE-2026-68820: listed in the CISA KEV catalog

CVE-2026-68820 · CVSS 7.0 HIGH · KEV 2026-08-11 · patch available

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

Is CVE-2026-68820 exploited?

• Listed in the CISA KEV catalog on 2026-08-11.
• Federal remediation due 2026-08-25.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

• KB5120238
• KB5120242
• KB5120229
• KB5120249
• KB5120233
• KB5120228
• KB5121003
• KB5120994
• KB5120240
• KB5121000

What PlainSec published about CVE-2026-68820

• CISA Orders Two-Week Fix for Exploited Windows Bug (2026-08-13)
• Lazarus Ties Windows Zero-Day to Dream Job (2026-08-11)

Primary sources

• NVD record
• CISA KEV catalog
• Microsoft KB5120238
• Microsoft KB5120242
• Microsoft KB5120229
• Microsoft KB5120249
• Microsoft KB5120233
• Microsoft KB5120228
• Microsoft KB5121003
• Microsoft KB5120994

What this record does not say

• No EPSS score.
• No affected package data.

KEV and EPSS are re-checked daily. Record last updated 2026-08-15.