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VulnerabilityPublished Updated

CVE-2026-65673: Microsoft Entra Connect · SQL Injection

Affects Microsoft Entra ConnectSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High : upgrade to 2.6.84.0 soon.

Data as of 26 Oct 2026, 14:18 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.6.84.0
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Microsoft Entra Connect to 2.6.84.0.

Affected software

ProductAffectedFixed in
MicrosoftMicrosoft Entra ConnectAffected
  • >=1.0.0 <2.6.84.0
Fixed in
  • 2.6.84.0
NuGetmicrosoft/entra-connectpkg:nuget/microsoft/entra-connectOther threatsAffected
  • =1.0.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65673 to remediate this vulnerability.

Description

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

References

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