PatchTheCVECVE-2026-21515: Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker
CVE-2026-21515 is a critical-severity flaw (CVSS 9.9) affecting azure iot central. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker to elevate privileges over a network.
Why this priority
- Critical severity
- On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.9 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 47%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2026-04-24 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · 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-2026-21515?
azure iot central: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2026-21515 being exploited?
CVE-2026-21515 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-2026-21515 affect?
CVE-2026-21515 affects azure iot central. Severity is critical (CVSS 9.9). Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker to elevate privileges over a network.
How urgent is CVE-2026-21515?
Priority 53/100. Critical severity; On your watchlist