CVE-2026-65673: Incorrect authorization in Microsoft Entra Connect Sync allows an authorized attacker to elevate privileges ov

Routine

HIGH 7.8WATCHLISTUPGRADE

CVE-2026-65673 is a high-severity flaw (CVSS 7.8) affecting entra connect. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Incorrect authorization in Microsoft Entra Connect Sync allows an authorized attacker to elevate privileges over a network.

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	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-08-11
Last modified	2026-10-23

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Am I affected?

Timeline

2026-08-11 17:18 UTCPublished CVE record published
2026-10-23 19:10 UTCUpdated Record last modified

microsoft entra connect UPGRADE

Affected: < 2.6.84.0

Fixed in: 2.6.84.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy entra-connect || rpm -q entra-connect || entra-connect --version

2. UPGRADE to 2.6.84.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade entra-connect

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade entra-connect

Note

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

Exact fixes by distribution

Fedora 46 · clementine · FIXED · 1.4.2-1.fc46 · FEDORA-2026-3e748ef4d3 · source

sudo dnf upgrade --advisory=FEDORA-2026-3e748ef4d3

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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