CVE-2001-0538
CVE-2001-0538 is a critical-severity vulnerability in Microsoft Outlook with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 53% places it in the 99th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 53% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Outlook
- Published:
- Last modified:
Description
Microsoft Outlook View ActiveX Control in Microsoft Outlook 2002 and earlier allows remote attackers to execute arbitrary commands via a malicious HTML e-mail message or web page.
Frequently asked questions
- What is CVE-2001-0538?
- Microsoft Outlook View ActiveX Control in Microsoft Outlook 2002 and earlier allows remote attackers to execute arbitrary commands via a malicious HTML e-mail message or web page.
- How severe is CVE-2001-0538?
- CVE-2001-0538 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2001-0538 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 53% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2001-0538?
- CVE-2001-0538 affects Microsoft Outlook. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2001-0538?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2001-0538 published?
- CVE-2001-0538 was published on 2001-08-14 and last updated on 2026-06-16.
References
- http://marc.info/?l=bugtraq&m=99496431214078&w=2
- http://www.ciac.org/ciac/bulletins/l-113.shtml
- http://www.kb.cert.org/vuls/id/131569
- http://www.ntbugtraq.com/default.asp?pid=36&sid=1&A2=ind0107&L=ntbugtraq&F=P&S=&P=862
- http://www.securityfocus.com/bid/3025
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-038
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6831
Affected products (1)
- cpe:2.3:a:microsoft:outlook:*:*:*:*:*:*:*:*
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