An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory, aka "Windows Subsyste…

published 2019-01-08 7y ago modified 2026-06-17 4mo ago also EUVD-2019-1323

cvss: 5.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.8%; EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits: 0; none known

An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory, aka "Windows Subsystem for Linux Information Disclosure Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019.

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0553 advisory

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Exploit prediction

1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.5	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

Microsoft Windows 10 Servers
Microsoft Windows 10
Microsoft Windows Server 2019

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2019-0553
patch, vendor-advisory
securityfocus.com /bid/106412
vdb-entry, third-party-advisory

Sources

CVE List CVE-2019-0553
NVD CVE-2019-0553

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