CVE-2026-68820
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
7.0
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
6.2%
93.2th percentile
CISA KEV
Listed
Added 2026-08-11 · patch by 2026-08-25
Weakness / dates
CWE-416
Published 2026-08-11 · modified 2026-08-16
CVSS breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | H | High |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-08-11 — Published (NVD)
- 2026-08-11 — Added to CISA KEV (actively exploited)
- 2026-08-25 — CISA patch-by deadline
- 2026-08-16 — Last modified (NVD)
Description
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.