CVE-2026-96855CWE-862broken-access-control

CVE-2026-96855

Medium · published October 13, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
19.6
In the wild
Unconfirmed
What it is

Improper access control in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00281 · 19.6th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-10-13T23:21Z
Affected products (21)
ProductVersionsFixed in
microsoft/windows_10_1809< 10.0.17763.937610.0.17763.9376
microsoft/windows_10_1809< 10.0.17763.937610.0.17763.9376
microsoft/windows_10_21h2< 10.0.19044.780710.0.19044.7807
microsoft/windows_10_21h2< 10.0.19044.780710.0.19044.7807
microsoft/windows_10_21h2< 10.0.19044.780710.0.19044.7807
microsoft/windows_10_22h2< 10.0.19045.780710.0.19045.7807
microsoft/windows_10_22h2< 10.0.19045.780710.0.19045.7807
microsoft/windows_10_22h2< 10.0.19045.780710.0.19045.7807
microsoft/windows_11_23h2< 10.0.22631.765210.0.22631.7652
microsoft/windows_11_23h2< 10.0.22631.765210.0.22631.7652
microsoft/windows_11_24h2< 10.0.26100.971110.0.26100.9711
microsoft/windows_11_24h2< 10.0.26100.971110.0.26100.9711
microsoft/windows_11_25h2< 10.0.26200.971110.0.26200.9711
microsoft/windows_11_25h2< 10.0.26200.971110.0.26200.9711
microsoft/windows_11_26h1< 10.0.28000.323110.0.28000.3231
microsoft/windows_11_26h1< 10.0.28000.323110.0.28000.3231
microsoft/windows_11_26h2< 10.0.26300.971110.0.26300.9711
microsoft/windows_11_26h2< 10.0.26300.971110.0.26300.9711
microsoft/windows_server_2019< 10.0.17763.937610.0.17763.9376
microsoft/windows_server_2022< 10.0.20348.576110.0.20348.5761
microsoft/windows_server_2025< 10.0.26100.3365010.0.26100.33650
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96855 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 19:00Z
    Windows Modern Device Management (MDM) Tampering Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Windows Modern Device Management (MDM) Tampering Vulnerability
    cvelistv5