| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.6 | $5k-$25k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Microsoft Purview. Affected by this issue is some unknown functionality. The manipulation results in server-side request forgery. This vulnerability was named CVE-2026-26138. The attack may be performed from remote. There is no available exploit. This product operates as a managed service, which prevents users from maintaining vulnerability countermeasures themselves.
Details
A vulnerability, which was classified as critical, was found in Microsoft Purview (the affected version unknown). Affected is an unknown part. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Server-side request forgery (ssrf) in Microsoft Purview allows an unauthorized attacker to elevate privileges over a network.
The advisory is available at msrc.microsoft.com. This vulnerability is traded as CVE-2026-26138 since 02/11/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/25/2026).
This product is available as a managed service. Users are not able to maintain vulnerability countermeasures themselves.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
License
Managed Service
- yes
Website
- Vendor: https://www.microsoft.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.6VulDB Meta Temp Score: 8.6
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 10.0
NVD Vector: 🔒
CNA Base Score: 8.6
CNA Vector (microsoft): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Server-side request forgeryCWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Status: 🔍0-Day Time: 🔒
Timeline
02/11/2026 CVE reserved03/20/2026 Advisory disclosed
03/20/2026 VulDB entry created
03/25/2026 VulDB entry last update
Sources
Vendor: microsoft.comAdvisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-26138 (🔒)
GCVE (CVE): GCVE-0-2026-26138
GCVE (VulDB): GCVE-100-351858
Entry
Created: 03/20/2026 07:43Updated: 03/25/2026 00:35
Changes: 03/20/2026 07:43 (61), 03/24/2026 08:57 (1), 03/25/2026 00:35 (11)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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