Microsoft Windows 7 SP1 allows an attacker to execute arbitrary code in the context of the current user, due to how Microsoft browsers hand…

published 2017-10-13 9y ago modified 2026-06-17 4mo ago also EUVD-2017-3420

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 14.2%; EPSS 14.2% chance of exploitation in 30 days, percentile 96%
public exploits: 0; none known

Microsoft Windows 7 SP1 allows an attacker to execute arbitrary code in the context of the current user, due to how Microsoft browsers handle objects in memory, aka "Windows Shell Remote Code Execution Vulnerability".

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11819 advisory

Is CVE-2017-11819 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

14.22% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	7.6	AV:N/AC:H/Au:N/C:C/I:C/A:C

Affected products

Microsoft Corporation Microsoft Windows 7 SP1

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2017-11819
patch, vendor-advisory
securitytracker.com /id/1039537
vdb-entry, third-party-advisory
securityfocus.com /bid/101121
vdb-entry, third-party-advisory

Sources

CVE List CVE-2017-11819
NVD CVE-2017-11819

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.