CVE-2026-71352 Windows Remote Access Connection Manager - Integer Underflow

Windows Remote Access Connection Manager contains an integer underflow caused by improper handling of integer values, letting authorized attackers execute code over a network, exploit requires attacker authorization.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.91% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Integer Underflow
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 September 2026
Updated
15 October 2026
Weakness
CWE-191

Vendor fix

Update to the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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