CVE-2001-1088
Microsoft Outlook 8.5 and earlier, and Outlook Express 5 and earlier, with the "Automatically put...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2001-1088- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-1088- Updated
- 2026-11-02
EUVDEUVD-2001-1069 No score
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.
- Record
EUVD-2001-1069- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3gjx-5wwv-5mvf No score
Microsoft Outlook 8.5 and earlier, and Outlook Express 5 and earlier, with the "Automatically put...
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.
- Record
GHSA-3gjx-5wwv-5mvf- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Outlook 97/98/2000/4/5 - Address Book Spoofing | 2001-06-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1088 is a high vulnerability (CVSS 7.5) in Microsoft Outlook, published June 5, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 19.7%, the 97th percentile. No source names a fixed version.
References
securityfocus.com/archive/1/188752
exchange.xforce.ibmcloud.com/vulnerabilities/6655
support.microsoft.com/default.aspx?scid=kb%3BEN-US%3Bq234241
nvd.nist.gov/vuln/detail/CVE-2001-1088
github.com/advisories/GHSA-3gjx-5wwv-5mvf