How severe is CVE-2025-49745?

CVE-2025-49745 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-49745 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-49745?

CVE-2025-49745 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-49745?

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

Does CVE-2025-49745 have an EU (EUVD) identifier?

Yes. CVE-2025-49745 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24378.

When was CVE-2025-49745 published?

CVE-2025-49745 was published on 2025-08-12 and last updated on 2026-06-17.

CVE-2025-49745

CVE-2025-49745 is a medium-severity vulnerability in Microsoft Dynamics 365 with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24378
Weakness: CWE-79
Affected product: Microsoft Dynamics 365
Published: 2025-08-12
Last modified: 2026-06-17

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Dynamics 365 (on-premises) allows an unauthorized attacker to perform spoofing over a network.

Frequently asked questions

What is CVE-2025-49745?: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Dynamics 365 (on-premises) allows an unauthorized attacker to perform spoofing over a network.
How severe is CVE-2025-49745?: CVE-2025-49745 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-49745 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49745?: CVE-2025-49745 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-49745?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-49745 have an EU (EUVD) identifier?: Yes. CVE-2025-49745 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24378.
When was CVE-2025-49745 published?: CVE-2025-49745 was published on 2025-08-12 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49745

Affected products (1)

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

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