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TI-2024-13481 Aliases CVE-2024-20670GHSA-h66x-39x2-5rv8

Outlook for Windows Spoofing Vulnerability

Priority MEDIUM 42CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Outlook for Windows Spoofing Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02309 83rd percentileScored 2026-11-07
Fix Fixed Outlook for Windows (Microsoft): 1.2023.0322.0100

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftOutlook for Windows1.0.0 to before 1.2023.0322.01001.2023.0322.0100Patch availableCNA
  • Outlook for Windows VendorMicrosoft Affected 1.0.0 to before 1.2023.0322.0100 Fixed in 1.2023.0322.0100 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:outlook:*:*:*:*:*:*:*:*before 1.2023.0322.0100VulnerableMicrosoft
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:microsoft:outlook:*:*:*:*:*:*:*:* Versions before 1.2023.0322.0100 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Outlook for Windows (Microsoft) Fixed in 1.2023.0322.0100

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Spoofing
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Outlook for WindowsFixed 1.2023.0322.0100 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-20670
  2. 2026-10-03 Alias added: GHSA-h66x-39x2-5rv8

References

Advisory 1

  • TI-2023-09240 Microsoft Outlook Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-17652 Microsoft Outlook Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2007-00655 Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and… KEVCVSS 3.1HIGH 8.8
  • TI-2017-08726 Memory corruption in Microsoft Outlook KEVCVSS 3.1HIGH 7.8
  • TI-2015-01471 Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1… KEVCVSS 3.1HIGH 7.8
  • TI-2006-04695 Stack-based buffer overflow in the Vector Graphics Rendering engine (vgx.dll), as used in… CVSS 2.0HIGH 9.3
See all 124 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences