RDMA/rxe: Reject unknown opcodes before ICRC processing
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability involves the RDMA/rxe subsystem in Microsoft and Azure Linux 3.0 where unknown operation codes (opcodes) are not properly rejected prior to Integrity Checksum (ICRC) processing. This could potentially lead to unexpected behavior or processing of invalid data. However, the exact impact and exploitation details are not specified in the provided information. No CVSS score or patch information is available, and no known exploits have been reported.
Potential Impact
The impact details are not explicitly provided in the source data. Without further information, it is unclear what the direct consequences of this vulnerability might be. No known exploits in the wild have been reported, suggesting limited or no active exploitation at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No specific mitigation or workaround information is provided in the available data.
RDMA/rxe: Reject unknown opcodes before ICRC processing
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the RDMA/rxe subsystem in Microsoft and Azure Linux 3.0 where unknown operation codes (opcodes) are not properly rejected prior to Integrity Checksum (ICRC) processing. This could potentially lead to unexpected behavior or processing of invalid data. However, the exact impact and exploitation details are not specified in the provided information. No CVSS score or patch information is available, and no known exploits have been reported.
Potential Impact
The impact details are not explicitly provided in the source data. Without further information, it is unclear what the direct consequences of this vulnerability might be. No known exploits in the wild have been reported, suggesting limited or no active exploitation at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No specific mitigation or workaround information is provided in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46133
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a19fecee29bf47b500fe352
Added to database: 5/29/2026, 9:02:06 PM
Last enriched: 5/29/2026, 9:12:14 PM
Last updated: 5/31/2026, 4:46:56 AM
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.
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.