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7.8

Windows C++ Template Library allows attackers to gain elevated access

CVE-2021-1650 · published 5 years ago
Summary

The Windows Runtime C++ Template Library has a security weakness that could allow an attacker with less-than-full system access to gain more powerful access. This would let them perform actions they shouldn't be able to do. To fix this, apply the latest Windows updates to ensure your system is protected.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft windows_10 20h2
1607
1803
1809
1909
2004
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
microsoft windows_8.1 All versions
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
microsoft windows_rt_8.1 All versions
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
microsoft windows_server_2012 r2
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoft windows_server_2016 20h2
1909
2004
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoft windows_server_2019 All versions
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Original advisory text
Windows Runtime C++ Template Library Elevation of Privilege Vulnerability
Windows Runtime C++ Template Library Elevation of Privilege Vulnerability
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-269Improper Privilege Management
Timeline
Published12 Jan 2021
Updated31 Oct 2026
First seen7 Mar 2026
Sources
CVE-2021-1650 · NVD
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