CVE-2026-69905CWE-862broken-access-control

CVE-2026-69905

Medium · published October 13, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
21.8
In the wild
Unconfirmed
What it is

Missing authorization in Windows AppX Deployment Service 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
0.00302 · 21.8th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-10-13T23:19Z
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-2026-69905 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 13 OCT 18:59Z
    Windows AppX Deployment Service Tampering Vulnerability
    cvelistv5
  • 13 OCT 18:59Z
    Windows AppX Deployment Service Tampering Vulnerability
    cvelistv5