CVE-2021-26859 json
Microsoft Power BI Information Disclosure Vulnerability
published 2021-03-11 5 y ago modified 2026-08-19 2 mo ago also EUVD-2021-13643
- cvss
- 7.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.4%
- EPSS 3.4% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
Microsoft Power BI Information Disclosure Vulnerability
Patch / fix
- Microsoft Power BI Report Server version 15.0.1103.234 1.8.7485.35104
- Microsoft Power BI Report Server version 15.0.1104.300 1.9.7675.15620
Exploit prediction
3.40% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Microsoft Power BI Report Server version 15.0.1103.234
- Microsoft Power BI Report Server version 15.0.1104.300
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2021-26859
vendor-advisory, patch
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2021-26859
patch, vendor-advisory
Sources
- CVE List CVE-2021-26859
- NVD CVE-2021-26859
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.