Vulnerability in Microsoft Outlook

CVE-2001-1088

Microsoft Outlook 8.5 and earlier, and Outlook Express 5 and earlier, with the "Automatically put people I reply to in my address book" option enabled, do not notify the user when the "Reply-To" address is different than the "From" address, which could allow an untrusted remote attacker to spoof legitimate addresses and intercept email from the client that is intended for another user.

EPSS: 0.197 (97.1th percentile) — read the EPSS interpretation.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2001-1088?
CVE-2001-1088 is a vulnerability in Microsoft Outlook. Published 2001-06-05.
Is CVE-2001-1088 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.