Vulnerability in Microsoft Windows Server 2016

CVE-2026-119883

Improper authorization in Data Deduplication allows an authorized attacker to bypass a security feature locally.

Published 2026-11-10 · last modified 2026-11-10.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119883 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-119883?: CVE-2026-119883 is a low-severity vulnerability in Microsoft Windows Server 2016. CVSS score: 3.3/10. Published 2026-11-10.
How severe is CVE-2026-119883?: Low severity. CVSS v3 base score is 3.3 out of 10.