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Microsoft Security Response CenterCVE-2026-88094

Azure Storage Library Elevation of Privilege Vulnerability

HighVendor CVSS 8.1 / 10 1 CVE Published Oct 13, 2026 at 7:00 AM UTC

Summary

Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Storage Library allows an authorized attacker to elevate privileges over a network.

Products covered

  • azure-storage-blob-batch

Remediation

Release Notes

Vendor-listed fixes

  • 12.31.2

CVEs in this advisory 1

Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Removed affected products: Azure Storage Blobs client library for Java.
    • Added fixed versions: 12.31.2.
    • Removed fixed versions: azure-storage-blob-batch.

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.