9.8

CVE-2026-34265: sap_se sap netweaver and abap platform Out-of-bounds Write

CVSS: 9.8v3.1CriticalAwaiting analysis
Published 11-08-2026Last modified 12-08-2026
Open JSON

Vulnerability summary

CVE-2026-34265 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in sap_se sap netweaver and abap platform. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 50% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.64%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-08-2026
    PublishedVulnerability first disclosed.
  2. 12-08-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

+0.07 pp

From 0.57% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sap_se1 product
  • sap netweaver and abap platformKRNL64NUC 7.22 | 7.22EXT | KRNL64UC 7.22 | 7.22EXT2 | 7.22EXT3 | 7.53 | 7.54 | 7.77 | 7.89 | 7.93 | 8.04 | 9.16 9.18 | 9.19 | KERNEL 7.22 | 9.16 | 9.18

1 vendor · 1 product

References

2 links