How severe is CVE-2022-21957?

CVE-2022-21957 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-21957 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21957?

CVE-2022-21957 primarily affects Microsoft Dynamics 365. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-21957?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-21957 published?

CVE-2022-21957 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2022-21957

CVE-2022-21957 is a high-severity vulnerability in Microsoft Dynamics 365 with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Dynamics 365
Published: 2022-02-09
Last modified: 2026-06-17

Description

Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2022-21957?: Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
How severe is CVE-2022-21957?: CVE-2022-21957 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-21957 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21957?: CVE-2022-21957 primarily affects Microsoft Dynamics 365. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-21957?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-21957 published?: CVE-2022-21957 was published on 2022-02-09 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21957

Affected products (2)

cpe:2.3:a:microsoft:dynamics_365:8.2:*:*:*:on-premises:*:*:*
cpe:2.3:a:microsoft:dynamics_365:9.0:*:*:*:on-premises:*:*:*

More vulnerabilities in Microsoft Dynamics 365

CVE-2026-47647 — Critical (CVSS 9.9): Improper access control in Microsoft Dynamics 365 allows an authorized attacker to elevate privileges over a network.
CVE-2026-42898 — Critical (CVSS 9.9): Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized…
CVE-2026-32210 — Critical (CVSS 9.3): Server-side request forgery (ssrf) in Microsoft Dynamics 365 (Online) allows an unauthorized attacker to perform…
CVE-2026-42833 — Critical (CVSS 9.1): Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized…
CVE-2024-38182 — Critical (CVSS 9.0): Weak authentication in Microsoft Dynamics 365 allows an unauthenticated attacker to elevate privileges over a network.
CVE-2026-40371 — High (CVSS 8.8): Improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises) allows an…

All CVEs affecting Microsoft Dynamics 365 →