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We have defined Windows Default Policy with requirement of Antivirus.
Even though all endpoints have proper Windows Defender Antivirus with latest update Intune showing non compliance
Ensuring devices meet organizational security and compliance policies
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(230.39999999999998, 69%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERJ%3C/text%3E%3C/svg%3E)
You are probably experiencing a known issue after the release of last month’s Defender update. https://www.reddit.com/r/Intune/comments/1vn4jen/windows_compliance_policy_failing_on_antivirus/
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 94%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAP%3C/text%3E%3C/svg%3E)
If Windows Defender is installed, active, and fully updated, but Intune still reports the Antivirus compliance setting as non-compliant, I'd recommend checking the device's compliance details and syncing it again (which can take some time).
Also review the Windows Security Center status locally to confirm Defender is correctly registering its health state. If multiple devices are affected, it's likely related to the current reporting issue rather than an actual antivirus problem.