Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-83946

CVE-2026-83946MEDIUM

Microsoft Azure Portal — Azure Portal Spoofing Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   R  C  L  L  N    6.1   .0032   22.8     —

AFFECTED
  Product       Versions  Fixed
  Azure Portal  - –       —

TIMELINE
  Aug 31  Reserved by microsoft
  Sep 17  Published (CNA: microsoft)
  Sep 25  RESCORED — CVE-2026-83946 (Microsoft Azure Portal). CVSS 8.2 → 6.1 (NVD).

CWE-79 · CNA: microsoft · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Azure Portal allows an unauthorized attacker to perform spoofing over a network.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 31, 2026	Reserved	Reserved by microsoft
September 17, 2026	Published	Published (CNA: microsoft)
September 25, 2026	RESCORED	RESCORED — CVE-2026-83946 (Microsoft Azure Portal). CVSS 8.2 → 6.1 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Azure Portal	—	-	—

Weaknesses

CWE-79

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83946 [vendor-advisory, patch]

Authoritative record: CVE-2026-83946 at cve.org

Vendors: microsoft

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-83946 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.