PatchTheCVECVE-2026-83947: Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.
CVE-2026-83947 is a high-severity flaw (CVSS 7.7) affecting azure event grid. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.
Why this priority
- High severity
- On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.7 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 56%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-10-08 |
| Last modified | 2026-10-15 |
Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-83947?
azure event grid: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2026-83947 being exploited?
CVE-2026-83947 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-83947 affect?
CVE-2026-83947 affects azure event grid. Severity is high (CVSS 7.7). Missing authorization in Azure Event Grid allows an authorized attacker to perform spoofing over a network.
How urgent is CVE-2026-83947?
Priority 43/100. High severity; On your watchlist