# CVE-2026-34265 — SAP_SE SAP NetWeaver and ABAP Platform

> As of 2026-08-12, CVE-2026-34265 is a CRITICAL-severity vulnerability in SAP_SE SAP NetWeaver and ABAP Platform, CVSS v3.1 9.8, EPSS 0.6% (49.2th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-34265, most recently “SAP Patches Critical Code Injection, Memory Corruption Vulnerabilities (CVE-2026-58231, CVSS 10.0)”.

**Last updated:** 2026-08-12

## What is CVE-2026-34265?

SAP NetWeaver Application Server ABAP allows an unauthenticated attacker to exploit logical errors in DIAG protocol parsing, resulting in memory corruption. This vulnerability could potentially disclose sensitive system information or crash the system, leading to a high impact on the confidentiality, integrity, and availability of the application.

The record classifies CVE-2026-34265 under weakness class [CWE-787](https://intel.threadlinqs.com/cwe/CWE-787). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 78 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.6% probability of exploitation in the next 30 days, higher than 49.2% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-11, last modified 2026-08-12

## Is CVE-2026-34265 being exploited?

It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [SAP_SE](https://intel.threadlinqs.com/vendors/sap-se): SAP NetWeaver and ABAP Platform

## How to fix CVE-2026-34265

No vendor patch reference has been recorded for CVE-2026-34265 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-34265

1 tracked threat in the Threadlinqs corpus references CVE-2026-34265, either in the campaign’s CVE list or as an indicator on the campaign record.

- [SAP Patches Critical Code Injection, Memory Corruption Vulnerabilities (CVE-2026-58231, CVSS 10.0)](https://intel.threadlinqs.com/threat/TL-2026-1984) — CRITICAL · 2026-08-11

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [me.sap.com](https://me.sap.com/notes/3714806)
- [url.sap](https://url.sap/sapsecuritypatchday)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-34265
Full detection coverage and IOCs for threats exploiting CVE-2026-34265 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp