CVE-2026-62834: CWE-347: Improper Verification of Cryptographic Signature in Microsoft Azure Data Factory
CVE-2026-62834 is a critical vulnerability in Microsoft Azure Data Factory involving improper verification of cryptographic signatures. This flaw allows an unauthorized attacker to elevate privileges over a network. The vulnerability has a high CVSS score of 9.3, indicating severe impact on confidentiality and integrity. Microsoft has issued an official fix for this cloud service vulnerability.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62834) in Microsoft Azure Data Factory is due to improper verification of cryptographic signatures (CWE-347). It enables an attacker without privileges to elevate their privileges remotely over the network. The CVSS 3.1 vector indicates the attack requires no privileges and low attack complexity but user interaction, and it affects confidentiality and integrity with a scope change. Microsoft has published an official fix and manages remediation for this cloud-hosted service.
Potential Impact
Successful exploitation could allow an unauthorized attacker to elevate privileges within Azure Data Factory, compromising confidentiality and integrity of data and operations. Availability impact is not indicated. The vulnerability affects a critical cloud service component, potentially impacting many users.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for Azure Data Factory as a cloud service. Users should ensure their Azure Data Factory instances are updated according to Microsoft's guidance available at the provided vendor advisory URL. No additional user action beyond applying the official fix is required.
CVE-2026-62834: CWE-347: Improper Verification of Cryptographic Signature in Microsoft Azure Data Factory
Description
CVE-2026-62834 is a critical vulnerability in Microsoft Azure Data Factory involving improper verification of cryptographic signatures. This flaw allows an unauthorized attacker to elevate privileges over a network. The vulnerability has a high CVSS score of 9.3, indicating severe impact on confidentiality and integrity. Microsoft has issued an official fix for this cloud service vulnerability.
CVSS v3.1
Score 9.3critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62834) in Microsoft Azure Data Factory is due to improper verification of cryptographic signatures (CWE-347). It enables an attacker without privileges to elevate their privileges remotely over the network. The CVSS 3.1 vector indicates the attack requires no privileges and low attack complexity but user interaction, and it affects confidentiality and integrity with a scope change. Microsoft has published an official fix and manages remediation for this cloud-hosted service.
Potential Impact
Successful exploitation could allow an unauthorized attacker to elevate privileges within Azure Data Factory, compromising confidentiality and integrity of data and operations. Availability impact is not indicated. The vulnerability affects a critical cloud service component, potentially impacting many users.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for Azure Data Factory as a cloud service. Users should ensure their Azure Data Factory instances are updated according to Microsoft's guidance available at the provided vendor advisory URL. No additional user action beyond applying the official fix is required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:10:38.083Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62834","vendor":"Microsoft"}]
Threat ID: 6a877787acd9273b492c5e48
Added to database: 08/20/2026, 21:54:15 UTC
Last enriched: 08/20/2026, 22:52:10 UTC
Last updated: 08/21/2026, 01:00:59 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.