CVE-2026-65777
Active Directory Security Feature Bypass Vulnerability
Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Active Directory Security Feature Bypass Vulnerability
Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.
- Record
CVE-2026-65777- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Weakness
- CWE-326
- Updated
- 2026-11-02
EUVDEUVD-2026-56731
Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.
- Record
EUVD-2026-56731- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-92c8-rfc2-vg9x
Inadequate encryption strength in Windows Active Directory allows an authorized attacker to...
Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.
- Record
GHSA-92c8-rfc2-vg9x- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
NVD
Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.
- Record
CVE-2026-65777- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
Affected products
- microsoft windows 11 version 23h2
- microsoft windows 11 version 24h2
- microsoft windows 11 version 25h2
- microsoft windows 11 version 26h1
- microsoft windows server 2022
- microsoft windows server 2025
- microsoft windows server 2025 (server core installation)
- microsoft windows 11 23h2
- microsoft windows 11 24h2
- microsoft windows 11 25h2
- microsoft windows 11 26h1
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-65777 is a medium vulnerability (CVSS 5.3) in Microsoft Windows 11 Version 23h2, published August 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.