CVE-2026-83657

medium

Weak authentication in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.

Vendor / product: Microsoft — windows 10 1809

Weak authentication in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.

CVSS

5.5

5.5 (CVSS v3.1)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity source: NVD CVSS v3.1 (secure@microsoft.com)

Timeline (UTC)

Published: 2026-10-13 19:20

Modified: 2026-10-29 18:23

NVD status: Analyzed

Last synced 5 days ago

Verified against the source API 2026-10-30 08:34 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

microsoft / windows_10_1809 <10.0.17763.9376

microsoft / windows_server_2019 <10.0.17763.9376

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

NVD CVE API 2.0 — fetched 2026-10-30 08:34 UTC · record ↗