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Broken phishing accidentally exploiting Outlook zero-day

When we think of zero-days, what comes to mind are usually RCEs or other high-impact vulnerabilities. Zero-days, however, come in all shapes and sizes and many of them are low impact, as is the vulnerability we’re going to discuss today. What is interesting about it, apart from it allowing a sender of an e-mail to include/change a link in an e-mail when it is forwarded by Outlook, is that I noticed it being exploited in a low-quality phishing e-mail by what appears to be a complete accident.

#analysis #phishing #exploit