Heap-Based Buffer Overflow in RPC Runtime Affects Microsoft Products
CVE-2026-62781
Key Information:
- Vendor
Microsoft
- Vendor
- CVE Published:
- 11 August 2026
What is CVE-2026-62781?
A heap-based buffer overflow vulnerability exists in the RPC Runtime Library, which could allow an unauthorized attacker to execute arbitrary code over a network. This flaw can be exploited by leveraging improper memory handling, potentially leading to significant security breaches. Organizations are urged to evaluate their systems and apply security patches provided by Microsoft to mitigate the risks associated with this vulnerability. For additional details and remediation advice, refer to the Microsoft Security Response Center's advisory.
Affected Version(s)
Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.9418
Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.9115
Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.7663