VDB
CVE-2026-21527
CVE-2026-21527
PUBLISHED
CVSS 6.5 MEDIUM
Improper input validation in Power BI allows an authorized attacker to execute code over a network.
EPSS 0.07% · 21.4th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C
EPSS Score
0.07%
21.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | 15.01.0.0 |
| microsoft | exchange_server_2016 | 15.01.0.0 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 14 | 15.02.0.0 |
| microsoft | power_bi_report_server | 1.6.0 |
| microsoft | exchange_server_2019 | 15.02.0.0, 15.02.0.0 |
| Microsoft | Power BI Report Server | 1.6.0 |
| microsoft | exchange_server | 2019, 2019, 2019 |
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 15 | 15.02.0.0 |
| microsoft | exchange_server_se | 15.02.0.0 |
Timeline
- Feb 10, 2026 CVE Published
- Feb 10, 2026 PoC Published
- Feb 11, 2026 EPSS Score
- Feb 12, 2026 PoC Published
- Feb 13, 2026 EPSS Score
- Feb 13, 2026 PoC Published
- Feb 13, 2026 PoC Published
- Feb 13, 2026 PoC Published
- Feb 15, 2026 EPSS Score
- Feb 17, 2026 EPSS Score
- Feb 19, 2026 EPSS Score
- Feb 21, 2026 EPSS Score
References
- Microsoft Exchange Server Spoofing Vulnerability vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-21527 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23655 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21537 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21516 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21229 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21257 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21511 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21523 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21256 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21260 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21518 advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21522 advisory