CVE-2026-65811: Improper input validation in Power BI allows an authorized attacker to execute code over a network.

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HIGH 8.8WATCHLISTUPGRADE

CVE-2026-65811 is a high-severity flaw (CVSS 8.8) affecting power bi report server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper input validation in Power BI allows an authorized attacker to execute code over a network.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-08-11
Last modified	2026-10-23

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Am I affected?

Timeline

2026-08-11 17:19 UTCPublished CVE record published
2026-10-23 19:10 UTCUpdated Record last modified

microsoft power bi report server UPGRADE

Affected: < 15.0.1121.120

Fixed in: 15.0.1121.120

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy power-bi-report-server || rpm -q power-bi-report-server || power-bi-report-server --version

2. UPGRADE to 15.0.1121.120 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade power-bi-report-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade power-bi-report-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · diffoscope · FIXED · 335-1.fc46 · FEDORA-2026-e4c4cc0856 · source

sudo dnf upgrade --advisory=FEDORA-2026-e4c4cc0856

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

References

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