# CVE-2026-83946

XSS in Azure Portal allows script execution and UI spoofing.

- Page: https://www.vulneraibility.com/cve/CVE-2026-83946
- CVSS: 8.2
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.32% (percentile 25.1)
- CISA SSVC: exploitation none, automatable no, technical impact partial (assessed 2026-09-18)
- Weakness: CWE-79
- Published: 2026-09-17

## Affected

- Microsoft Azure Portal (portal.azure.com)
- Azure management web UI
- Azure subscription/management consoles

## Impact

Reflected/stored XSS in Azure Portal lets attackers run JS to steal session tokens, perform phishing, and potentially take over admin accounts.

## Action

Immediate action required

## Recommendation

Apply vendor patch ASAP; restrict Portal access, enforce MFA, rotate tokens, monitor admin sessions

## References

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

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.