Microsoft Dataverse: Improper Handling of Exceptional Conditions
CVE-2025-29826 is a high-severity improper handling of exceptional conditions vulnerability in Microsoft Dataverse from Microsoft, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists version 3.4.0.1406 as the first without the flaw, so updating Microsoft Dataverse to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.89% chance of exploitation within 30 days, higher than 60% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Microsoft Dataverse to 3.4.0.1406 or a later version.
- Update Dataverse to 3.4.0.1406 or a later version.
- Read the advisory on msrc.microsoft.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Microsoft | Microsoft Dataverse | 10.0 up to, but not including, 3.4.0.1406 | 3.4.0.1406 |
| Microsoft | Dataverse | before 3.4.0.1406 | 3.4.0.1406 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.3 | High | CNA (microsoft.com) |
| CVSS 3.1 | 8.8 | High | NVD |
Official description
Improper handling of insufficient permissions or privileges in Microsoft Dataverse allows an authorized attacker to elevate privileges over a network.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Handling of Exceptional Conditions
The product does not handle or incorrectly handles an exceptional condition.
More Improper Handling of Exceptional Conditions vulnerabilities (CWE-755)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Recent Improper Handling of Exceptional Conditions vulnerabilities
- 7.5 High severity
- 7.1 High severity
- 7.5 High severity
- 8.0 High severity
- 7.5 High severity
- 7.5 High severity
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