doc: add advisory for critical sev cve-2026-33186

[chrischangcode]

Adds security bulletin advisory for gRPC vulnerability detected in many AKS modules

[prmerger-automator]

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[Copilot]

Pull request overview

Adds a new AKS security bulletin entry documenting CVE-2026-33186 (gRPC-Go authorization bypass) and updates the security bulletins page date so the advisory is discoverable from the central AKS bulletins index.

Changes:

• Updated ms.date to reflect the latest bulletin publication.
• Added bulletin AKS-2026-0002 with description, references, and affected/resolution guidance for CVE-2026-33186.

Comments suppressed due to low confidence (1)

articles/aks/security-bulletins/overview.md:8

• The front matter is missing the required ai-usage entry. Since this PR adds a substantial new advisory section, please add ai-usage: ai-assisted (or ai-generated, as appropriate) to the YAML front matter to comply with Learn AI disclosure requirements.

---
title: Security bulletins for Azure Kubernetes Service (AKS)
description: This article provides security/vulnerability related updates and troubleshooting guides for Azure Kubernetes Services (AKS).
ms.date: 03/20/2026
author: bcho
ms.author: bahe
ms.topic: concept-article
ms.subservice: aks-security

[Court72]

@bcho

Can you review the proposed changes?

Important: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

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