VDB-349267 · CVE-2026-26122 · WID-SEC-2026-0616

Microsoft ACI Confidential Containers information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Microsoft ACI Confidential Containers. The affected element is an unknown function. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2026-26122. The attack is possible to be carried out remotely. No exploit exists. This product is a managed service, therefore users are not responsible for maintaining vulnerability countermeasures.

Detailsinfo

A vulnerability has been found in Microsoft ACI Confidential Containers (affected version not known) and classified as problematic. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Initialization of a resource with an insecure default in Azure Compute Gallery allows an authorized attacker to disclose information over a network.

It is possible to read the advisory at msrc.microsoft.com. This vulnerability is known as CVE-2026-26122 since 02/11/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/10/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0616). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

Microsoft Azure

Productinfo

Type

Virtualization Software

Vendor

Microsoft

Name

ACI Confidential Containers

License

commercial

Managed Service

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (microsoft): 🔒

CVSSv2info

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: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/11/2026 CVE reserved
03/06/2026 +23 days Advisory disclosed
03/06/2026 +0 days VulDB entry created
03/10/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-26122 (🔒)
GCVE (CVE): GCVE-0-2026-26122
GCVE (VulDB): GCVE-100-349267
CERT Bund: WID-SEC-2026-0616 - Microsoft Azure (ACI Confidential Containers): Mehrere Schwachstellen

Entryinfo

Created: 03/06/2026 06:18
Updated: 03/10/2026 16:07
Changes: 03/06/2026 06:18 (62), 03/08/2026 08:08 (1), 03/09/2026 04:05 (7), 03/10/2026 16:07 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.