CVE-2026-77908
CVE-2026-77908 is a high-severity vulnerability in Microsoft Dynamics 365 with a CVSS 3.x base score of 8.8. 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-94.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Microsoft Dynamics 365
- Published:
- Last modified:
Description
Improper control of generation of code ('code injection') in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.
Frequently asked questions
- What is CVE-2026-77908?
- Improper control of generation of code ('code injection') in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.
- How severe is CVE-2026-77908?
- CVE-2026-77908 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-77908 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-77908?
- CVE-2026-77908 affects Microsoft Dynamics 365. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-77908?
- 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-2026-77908 published?
- CVE-2026-77908 was published on 2026-09-08 and last updated on 2026-09-29.
References
Affected products (1)
- cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:customer_engagement:*:*:*
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-2026-65815 — High (CVSS 8.8): Deserialization of untrusted data in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code…
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