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SAP NetWeaver Business Client

1 notes since January 2023.

Patch Day	Note	Title	Priority	CVSS
September 2026	3784138	Insecure Deserialization in SAP NetWeaver Business Client	High	7.8

Not affiliated with, endorsed by, or sponsored by SAP SE. SAP and other SAP products mentioned are trademarks of SAP SE. Data is public metadata from SAP’s Security Patch Day pages and the CISA KEV catalog.

Data: SAP Security Patch Day pages (public metadata only) and CISA KEV catalog v2026.10.16.

Last updated: October 17, 2026, 04:13 ET