CVE-2026-88131
Microsoft Dataverse: unsafe deserialisation
- Risk score
- 75/100
- CVSS
- 9.8 v3.1
- Exploit chance (30 days)
- 0.8%
- Published
- 8 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.
- Affected
- Microsoft Dataverse
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.8 critical
- Remotely exploitable without logging in
References
Original description
Deserialization of untrusted data in Microsoft Dataverse allows an unauthorized attacker to execute code over a network.
Last activity 8 Oct 2026. Patch Forecast updates every hour.