Which products and versions are affected by CVE-2017-11811?

Affected: Chakracore (Microsoft); Edge (Microsoft). The full list is in the CVE brief.

Is CVE-2017-11811 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2017-11811 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2017-11811?

Public exploit code is available.

Is there a fix for CVE-2017-11811?

Fixed versions are available, including Chakracore 1.7.3.

How urgently should CVE-2017-11811 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2017-11811

HighPublic exploit

Published Oct 13, 2017 · Updated Aug 27, 2026

Key Facts

Patch immediately

CVE-2017-11811 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Chakracore (Microsoft), Edge (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 65% probability of exploitation in the next 30 days.
Fixed versions are available, including Chakracore 1.7.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

7.5

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

65%

Higher than 99.2% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2017-11811 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

ChakraCore and Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11792, CVE-2017-11793, CVE-2017-11796, CVE-2017-11797, CVE-2017-11798, CVE-2017-11799, CVE-2017-11800, CVE-2017-11801, CVE-2017-11802, CVE-2017-11804, CVE-2017-11805, CVE-2017-11806, CVE-2017-11807, CVE-2017-11808, CVE-2017-11809, CVE-2017-11810, CVE-2017-11812, and CVE-2017-11821.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
ChakracoreMicrosoft	See advisory	1.7.3
EdgeMicrosoft	See advisory	n/a

Patched Releases

Chakracore

1.7.3

Timeline

Publicly disclosed
Oct 13, 2017
Last updated
Aug 27, 2026

Weakness Type

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

References

advisory101138
advisory1039529
patchhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11811
exploitExploitDB-43152
exploit43152

FAQ

Common Questions.

ChakraCore and Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
Affected: Chakracore (Microsoft); Edge (Microsoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Chakracore 1.7.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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