Dashboard / CVE-2026-62766

CVE-2026-62766

HIGH
MEDIUM Priority: 0.02 BB Relevance: 29/100
Published: 2026-08-11 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: High
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.

Weakness Classification (1)

Affected Software (17)

VendorProductVersion
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9168
Microsoft Windows 11 Version 24H2 10.0.26100.0 < 10.0.26100.9168
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9168
Microsoft Windows 11 Version 25H2 10.0.26200.0 < 10.0.26200.9168
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2704
Microsoft Windows 11 version 26H1 10.0.28000.0 < 10.0.28000.2704
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33296
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 < 10.0.26100.33296
microsoft windows_11_24h2 < 10.0.26100.9106
microsoft windows_11_24h2 < 10.0.26100.9106
microsoft windows_11_25h2 < 10.0.26200.9106
microsoft windows_11_25h2 < 10.0.26200.9106
microsoft windows_11_26h1 < 10.0.28000.2704
microsoft windows_11_26h1 < 10.0.28000.2704
microsoft windows_server_2025 < 10.0.26100.33222

References & Advisories (1)

Bug Bounty Relevance

29 / 100
✓ No user interaction

CVSS Score

7.0 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.26%
Raw Score 0.002640
Percentile 18.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00264
2026-10-28
0.00264

Intelligence Sources

mitre ref →

External Links