CVE-2026-70178: Missing authorization in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.

This month

HIGH 8.5WATCHLISTMITIGATE

CVE-2026-70178 is a high-severity flaw (CVSS 8.5) affecting fabric. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Missing authorization in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.

Why this priority

High severity
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-09-03
Last modified	2026-09-08

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-09-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-03 23:17 UTCPublished CVE record published
2026-09-08 17:55 UTCUpdated Record last modified

microsoft fabric MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fabric || rpm -q fabric || fabric --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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.

Quick answers

How do I fix CVE-2026-70178?

fabric: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-70178 being exploited?

CVE-2026-70178 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-2026-70178 affect?

CVE-2026-70178 affects fabric. Severity is high (CVSS 8.5). Missing authorization in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.

How urgent is CVE-2026-70178?

Priority 47/100. High severity; On your watchlist

Related CVEs

CVE-2026-41586 CRITICAL 9.8 UPGRADE Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions a
CVE-2026-63509 CRITICAL 9.9 MITIGATE Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network
CVE-2026-69843 CRITICAL 10.0 MITIGATE Authentication bypass by spoofing in Microsoft Fabric allows an unauthorized attacker to elevate privileges ov

References

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