CVE-2026-119883: Data Deduplication Security Feature Bypass Vulnerability

Published Nov 10, 2026

Updated

Data Deduplication Security Feature Bypass Vulnerability

Other sources

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

— Microsoft

Affected Software

1 affected component

Microsoft Data Deduplication

Event History

Nov 10, 2026

CVE Published

via Microsoft·04:00 PM

Data Sourced

via Microsoft·04:00 PM

DescriptionSeverityWeakness

CVE Published

via MITRE·06:23 PM

Data Sourced

via MITRE·06:23 PM

DescriptionSeverity

Data Sourced

via NVD·07:20 PM

DescriptionSeverity

Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

The attacker must already be authorized and have local access to the affected system. The vector is local, and no user interaction is required.

What is the expected impact if exploited?

The issue allows bypass of a security feature and can affect integrity. The provided assessment does not indicate confidentiality or availability impact.

CVE-2026-119883: Data Deduplication Security Feature Bypass Vulnerability

Other sources

Affected Software

Event History

Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

What is the expected impact if exploited?

Company

Resources

Contact

Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

What is the expected impact if exploited?