CVE-2018-0987 — An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Internet Explorer, aka "Scripting Engine Information Disclosure Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10

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MEDIUM

An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Internet Explorer, aka "Scripting Engine Information Disclosure Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10

Published Apr 12, 2018

4.3

MEDIUM

CVSS 3.0

EPSS 6.09%

Description

An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Internet Explorer, aka "Scripting Engine Information Disclosure Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-0981, CVE-2018-0989, CVE-2018-1000.

Affected products

Vendor Microsoft Product Internet Explorer 10 Default
n/a
- Version
  Windows Server 2012
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Internet Explorer 11 Default
n/a
- Version
  Windows 10 Version 1511 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 Version 1511 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 Version 1607 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 Version 1607 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 Version 1703 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 Version 1703 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 Version 1709 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 Version 1709 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 10 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Windows 7 for 32-bit Systems Service Pack 1
  Status
  affected
  Constraints
  -
- Version
  Windows 7 for x64-based Systems Service Pack 1
  Status
  affected
  Constraints
  -
- Version
  Windows 8.1 for 32-bit systems
  Status
  affected
  Constraints
  -
- Version
  Windows 8.1 for x64-based systems
  Status
  affected
  Constraints
  -
- Version
  Windows RT 8.1
  Status
  affected
  Constraints
  -
- Version
  Windows Server 2008 R2 for x64-based Systems Service Pack 1
  Status
  affected
  Constraints
  -
- Version
  Windows Server 2012 R2
  Status
  affected
  Constraints
  -
- Version
  Windows Server 2016
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Internet Explorer 9 Default
n/a
- Version
  Windows Server 2008 for 32-bit Systems Service Pack 2
  Status
  affected
  Constraints
  -
- Version
  Windows Server 2008 for x64-based Systems Service Pack 2
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Microsoft

Internet Explorer 10

n/a

Version	Status	Constraints
Windows Server 2012	affected	-

Microsoft

Internet Explorer 11

n/a

Version	Status	Constraints
Windows 10 Version 1511 for 32-bit Systems	affected	-
Windows 10 Version 1511 for x64-based Systems	affected	-
Windows 10 Version 1607 for 32-bit Systems	affected	-
Windows 10 Version 1607 for x64-based Systems	affected	-
Windows 10 Version 1703 for 32-bit Systems	affected	-
Windows 10 Version 1703 for x64-based Systems	affected	-
Windows 10 Version 1709 for 32-bit Systems	affected	-
Windows 10 Version 1709 for x64-based Systems	affected	-
Windows 10 for 32-bit Systems	affected	-
Windows 10 for x64-based Systems	affected	-
Windows 7 for 32-bit Systems Service Pack 1	affected	-
Windows 7 for x64-based Systems Service Pack 1	affected	-
Windows 8.1 for 32-bit systems	affected	-
Windows 8.1 for x64-based systems	affected	-
Windows RT 8.1	affected	-
Windows Server 2008 R2 for x64-based Systems Service Pack 1	affected	-
Windows Server 2012 R2	affected	-
Windows Server 2016	affected	-

Microsoft

Internet Explorer 9

n/a

Version	Status	Constraints
Windows Server 2008 for 32-bit Systems Service Pack 2	affected	-
Windows Server 2008 for x64-based Systems Service Pack 2	affected	-

Remediation

No remediation recorded yet.

Metrics

6.09% 0.06094

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.06094

Score over time

2021–2026

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (50 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	6.09% (0.06094)	93.20th	v5 (v2026.06.15)
Aug 23, 2026	7.03% (0.07029)	93.77th	v5 (v2026.06.15)
Jun 15, 2026	5.77% (0.05773)	92.09th	v5 (v2026.06.15)
Mar 4, 2026	6.51% (0.06512)	90.93th	v4 (v2025.03.14)
Mar 1, 2026	11.39% (0.11388)	93.45th	v4 (v2025.03.14)
Feb 4, 2026	6.51% (0.06512)	90.87th	v4 (v2025.03.14)
Feb 1, 2026	11.39% (0.11388)	93.41th	v4 (v2025.03.14)
Jan 4, 2026	6.51% (0.06512)	90.81th	v4 (v2025.03.14)
Jan 1, 2026	11.39% (0.11388)	93.38th	v4 (v2025.03.14)
Dec 4, 2025	6.51% (0.06512)	90.73th	v4 (v2025.03.14)
Dec 1, 2025	11.39% (0.11388)	93.32th	v4 (v2025.03.14)
Nov 21, 2025	6.51% (0.06512)	90.70th	v4 (v2025.03.14)
Nov 18, 2025	5.13% (0.05133)	88.83th	v4 (v2025.03.14)
Nov 4, 2025	6.51% (0.06512)	90.68th	v4 (v2025.03.14)
Nov 1, 2025	11.39% (0.11388)	93.30th	v4 (v2025.03.14)
Oct 27, 2025	6.51% (0.06512)	90.71th	v4 (v2025.03.14)
Oct 4, 2025	8.59% (0.08588)	92.05th	v4 (v2025.03.14)
Oct 1, 2025	11.39% (0.11388)	93.34th	v4 (v2025.03.14)
Sep 13, 2025	8.82% (0.08821)	92.21th	v4 (v2025.03.14)
Sep 4, 2025	7.00% (0.07000)	91.11th	v4 (v2025.03.14)
Sep 1, 2025	10.13% (0.10128)	92.86th	v4 (v2025.03.14)
Aug 6, 2025	6.07% (0.06071)	90.38th	v4 (v2025.03.14)
Aug 4, 2025	8.83% (0.08835)	92.16th	v4 (v2025.03.14)
Aug 1, 2025	6.71% (0.06705)	90.93th	v4 (v2025.03.14)
Jul 4, 2025	4.56% (0.04564)	88.72th	v4 (v2025.03.14)
Jul 1, 2025	6.71% (0.06705)	90.85th	v4 (v2025.03.14)
Jun 4, 2025	4.56% (0.04564)	88.65th	v4 (v2025.03.14)
Jun 1, 2025	6.71% (0.06705)	90.79th	v4 (v2025.03.14)
May 4, 2025	4.56% (0.04564)	88.56th	v4 (v2025.03.14)
May 1, 2025	6.71% (0.06705)	90.77th	v4 (v2025.03.14)
Apr 6, 2025	4.56% (0.04564)	88.21th	v4 (v2025.03.14)
Mar 30, 2025	2.54% (0.02542)	84.09th	v4 (v2025.03.14)
Mar 29, 2025	19.22% (0.19217)	92.40th	v4 (v2025.03.14)
Mar 22, 2025	2.54% (0.02542)	84.15th	v4 (v2025.03.14)
Mar 21, 2025	3.79% (0.03785)	87.09th	v4 (v2025.03.14)
Mar 17, 2025	2.54% (0.02542)	84.41th	v4 (v2025.03.14)
Jan 31, 2025	1.47% (0.01469)	86.65th	v3 (v2023.03.01)
Feb 8, 2024	0.41% (0.00407)	73.11th	v3 (v2023.03.01)
Sep 2, 2023	0.41% (0.00407)	70.52th	v3 (v2023.03.01)
Apr 5, 2023	0.45% (0.00451)	71.31th	v3 (v2023.03.01)
Mar 7, 2023	0.46% (0.00463)	71.54th	v3 (v2023.03.01)
Mar 6, 2023	6.42% (0.06416)	91.03th	v2 (v2022.01.01)
Aug 2, 2022	6.42% (0.06416)	90.57th	v2 (v2022.01.01)
Apr 1, 2022	5.85% (0.05853)	89.57th	v2 (v2022.01.01)
Feb 22, 2022	5.85% (0.05853)	77.69th	v2 (v2022.01.01)
Feb 4, 2022	5.27% (0.05274)	75.94th	v2 (v2022.01.01)
Feb 3, 2022	8.76% (0.08756)	86.41th	v1
Jan 6, 2022	8.76% (0.08756)	86.25th	v1
Sep 1, 2021	8.76% (0.08756)	93.70th	v1
Apr 14, 2021	8.76% (0.08756)	0.00th	v1

Weaknesses (0)

No CWE recorded.

References (3)

http://www.securityfocus.com/bid/103623
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040653
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0987
x_refsource_CONFIRMPatchVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/103623		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040653		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0987		x_refsource_CONFIRMPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Apr 12, 2018

Updated Aug 5, 2024

Reserved Dec 1, 2017

Link CVE-2018-0987

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-0987

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-0987