How severe is CVE-2026-33103?

CVE-2026-33103 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-33103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33103?

CVE-2026-33103 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-33103 have an EU (EUVD) identifier?

Yes. CVE-2026-33103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22627.

When was CVE-2026-33103 published?

CVE-2026-33103 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-33103

CVE-2026-33103 is a medium-severity vulnerability in Microsoft Dynamics 365 with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22627
Weakness: CWE-284
Affected product: Microsoft Dynamics 365
Published: 2026-04-14
Last modified: 2026-06-17

Description

Improper access control in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information locally.

Frequently asked questions

What is CVE-2026-33103?: Improper access control in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information locally.
How severe is CVE-2026-33103?: CVE-2026-33103 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-33103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33103?: CVE-2026-33103 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33103 have an EU (EUVD) identifier?: Yes. CVE-2026-33103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22627.
When was CVE-2026-33103 published?: CVE-2026-33103 was published on 2026-04-14 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33103

Affected products (1)

cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:on-premises:*:*:*

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