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Simatic Wincc Oa V3.21
Siemens Simatic Wincc Oa V3.21 vulnerabilities
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EPSS 10% or more
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EPSS 90% or more
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andybalholm
brotli
,
7-zip
p7zip
,
anthropic
bun
+100 more
+102 more
Out-of-Bounds Write in Google Brotli Decoder
CVE-2026-111497
In KEV
Public exploit
Fix available
EPSS 82.6%
9.2
Critical
April 27, 2026
openssl
,
red hat
cost management 4
,
ai inference server 3.2
+316 more
+318 more
Stack buffer overflow in CMS (Auth)EnvelopedData parsing
CVE-2025-15467
Public exploit
Fix available
EPSS 74.8%
8.8
High
January 27, 2026
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