CVE-2018-8493 Information disclosure in Windows 10
An attacker can exploit improper handling of fragmented IP packets in the Windows TCP/IP stack to disclose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8493?
CVE-2018-8493 is a high-severity vulnerability in Microsoft Windows 10 1507, published on 10 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles fragmented IP packets, aka "Windows TCP/IP Information Disclosure Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.
Which versions are affected by CVE-2018-8493?
It affects 10 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1703, Microsoft Windows 10 1709, Microsoft Windows 10 1803, Microsoft Windows 8.1 and 4 more.
How do I fix CVE-2018-8493?
No fix has been published for CVE-2018-8493 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-8493 being exploited?
There is no known exploitation of CVE-2018-8493 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-fpxg-2rm2-vpj4.