PatchTheCVECVE-2025-27489: Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.
CVE-2025-27489 is a high-severity flaw (CVSS 7.8) affecting azure stack hci 22h2, azure stack hci 23h2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 51%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2025-04-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · 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-2025-27489?
azure stack hci 22h2: upgrade to 10.0.20348.3328; azure stack hci 23h2: upgrade to 10.0.25398.1486. Exact commands for each OS are on this page.
Is CVE-2025-27489 being exploited?
CVE-2025-27489 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-2025-27489 affect?
CVE-2025-27489 affects azure stack hci 22h2, azure stack hci 23h2. Severity is high (CVSS 7.8). Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.
How urgent is CVE-2025-27489?
Priority 45/100. High severity; On your watchlist