CVE-2015-1671VulnerabilityPublished 05/25/2022Updated 10/24/2026

CVE-2015-1671: Microsoft Windows Remote Code Execution Vulnerability

Affects Microsoft WindowsSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 05/25/2022
KEV deadline: 06/15/2022
EPSS: 48.8% chance of exploitation in 30 days – higher than 98% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2015-1671 (opens in a new tab)

Description

CVE-2015-1671 is a remote code execution vulnerability in Microsoft Windows and related components including .NET Framework, Office, Lync, and Silverlight. The flaw arises from improper handling of TrueType fonts, allowing attackers to execute arbitrary code remotely. This vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the input data.

Summary

This vulnerability involves improper processing of TrueType fonts by components of Microsoft Windows, .NET Framework, Office, Lync, and Silverlight, which can lead to remote code execution. Exploitation allows an attacker to run arbitrary code on the affected system. The vulnerability is tracked as CVE-2015-1671 and has been observed in active exploitation scenarios. No detailed version or patch data is included in the provided information.

Impact

Successful exploitation enables remote attackers to execute arbitrary code on vulnerable systems, potentially leading to full system compromise. The vulnerability has been exploited in the wild, indicating active threat. The affected components include widely used Microsoft products, increasing the potential impact.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor Microsoft's security advisories for updates and apply any available patches promptly once released.

Weaknesses

CWE-19Unclassified weakness (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 11:49:50 UTC

Weaknesses

References

Related threats