Search/CVE-2006-5403
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CVE-2006-5403

VendorsymantecProductnorton antivirus, norton internet security, norton system works, automated support assistantDiscoveredOct 19, 2006UpdatedApr 23, 2026

Stack-based buffer overflow in an ActiveX control used in Symantec Automated Support Assistant, as used in Norton AntiVirus, Internet Security, and System Works 2005 and 2006, allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.

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CVSS v3.1
—
EPSS
6.30%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 21, 2026
▲ 0.32pp
5.98% → 6.30% over 3 tracked changes
Connections
4 relationships
Timeline
disclosure → media coverage
Oct 19, 2006
Disclosure — published as a CVE record. · last revised by NVD Apr 23, 2026