CVE-2018-8493
An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-8493- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-8493- Updated
- 2026-11-02
EUVDEUVD-2018-20123 No score
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.
- Record
EUVD-2018-20123- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fpxg-2rm2-vpj4
An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles...
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.
- Record
GHSA-fpxg-2rm2-vpj4- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
- microsoft windows 10
- microsoft windows 10 servers
- microsoft windows 8.1
- microsoft windows rt 8.1
- microsoft windows server 2012 r2
- microsoft windows server 2016
- microsoft windows server 2012
- microsoft windows 10 1507
- microsoft windows 10 1607
- microsoft windows 10 1703
- microsoft windows 10 1709
- microsoft windows 10 1803
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History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-8493 is a high vulnerability (CVSS 7.5) in Microsoft Windows 10, published October 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.90%, the 95th percentile. No source names a fixed version.