CVE-2026-56647 Windows Remote Access Service Infrastructure Elevation of Privilege Vulnerability
An integer overflow in Windows Remote Access Service allows authorized attackers to elevate privileges over the network.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56647?
CVE-2026-56647 is a high-severity vulnerability in Microsoft Windows 10 1607, published on 14 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to elevate privileges over a network.
Weakness: CWE-190
Which versions are affected by CVE-2026-56647?
It affects 12 products.
Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2 and 6 more.
How do I fix CVE-2026-56647?
No fix has been published for CVE-2026-56647 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56647 being exploited?
There is no known exploitation of CVE-2026-56647 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1607
- CVE-2026-33824 Microsoft Internet Key Exchange (IKE) Service Extensions Double Free
- CVE-2026-21510 Microsoft Windows Shell Protection Mechanism Failure
- CVE-2026-21513 Microsoft MSHTML Framework Protection Mechanism Failure
- CVE-2023-32049 Microsoft Windows Defender SmartScreen Security Feature Bypass
- CVE-2023-29360 Microsoft Streaming Service Untrusted Pointer Dereference
Sources
Also known as GHSA-7x4x-wrp3-r2gg.