CVE-2026-47647: Improper access control in Microsoft Dynamics 365 allows an authorized attacker to elevate privileges over a n

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CRITICAL 9.9WATCHLISTMITIGATE

CVE-2026-47647 is a critical-severity flaw (CVSS 9.9) affecting dynamics 365. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper access control in Microsoft Dynamics 365 allows an authorized attacker to elevate privileges over a network.

Why this priority

Critical severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-06-18
Last modified	2026-10-26

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-18 22:16 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

microsoft dynamics 365 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 dynamics-365 || rpm -q dynamics-365 || dynamics-365 --version

No fixed or unaffected release known

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

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · selenium-manager · FIXED · 4.45.0-3.fc46 · FEDORA-2026-0af4ceb64a · source

sudo dnf upgrade --advisory=FEDORA-2026-0af4ceb64a

Fedora ELN · libdnf · FIXED · 0.76.0-2.eln159 · FEDORA-2026-dbd263e9d4 · source

sudo dnf upgrade --advisory=FEDORA-2026-dbd263e9d4

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-2026-47647?

dynamics 365: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-47647 being exploited?

CVE-2026-47647 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-2026-47647 affect?

CVE-2026-47647 affects dynamics 365. Severity is critical (CVSS 9.9). Improper access control in Microsoft Dynamics 365 allows an authorized attacker to elevate privileges over a network.

How urgent is CVE-2026-47647?

Priority 54/100. Critical severity; On your watchlist

Related CVEs

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CVE-2026-65815 HIGH 8.8 UPGRADE Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to exe
CVE-2026-66301 MEDIUM 6.5 UPGRADE Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an a

References

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