CVE-2018-8481 — An information disclosure vulnerability exists when Windows Media Player improperly discloses file information, aka "Windows Media Player Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers

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LOW

An information disclosure vulnerability exists when Windows Media Player improperly discloses file information, aka "Windows Media Player Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers

Published Oct 10, 2018

3.1

LOW

CVSS 3.0

EPSS 5.00%

Description

An information disclosure vulnerability exists when Windows Media Player improperly discloses file information, aka "Windows Media Player Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8482.

Affected products

Vendor Microsoft Product Windows 10 Default
n/a
- Version
  32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1607 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1607 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1703 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1703 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1709 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1709 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1803 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1803 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1809 for 32-bit Systems
  Status
  affected
  Constraints
  -
- Version
  Version 1809 for x64-based Systems
  Status
  affected
  Constraints
  -
- Version
  x64-based Systems
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows 10 Servers Default
n/a
- Version
  version 1709 (Server Core Installation)
  Status
  affected
  Constraints
  -
- Version
  version 1803 (Server Core Installation)
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows 7 Default
n/a
- Version
  32-bit Systems Service Pack 1
  Status
  affected
  Constraints
  -
- Version
  x64-based Systems Service Pack 1
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows 8.1 Default
n/a
- Version
  32-bit systems
  Status
  affected
  Constraints
  -
- Version
  x64-based systems
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows RT 8.1 Default
n/a
- Version
  Windows RT 8.1
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows Server 2008 Default
n/a
- Version
  32-bit Systems Service Pack 2
  Status
  affected
  Constraints
  -
- Version
  32-bit Systems Service Pack 2 (Server Core installation)
  Status
  affected
  Constraints
  -
- Version
  Itanium-Based Systems Service Pack 2
  Status
  affected
  Constraints
  -
- Version
  x64-based Systems Service Pack 2
  Status
  affected
  Constraints
  -
- Version
  x64-based Systems Service Pack 2 (Server Core installation)
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows Server 2008 R2 Default
n/a
- Version
  Itanium-Based Systems Service Pack 1
  Status
  affected
  Constraints
  -
- Version
  x64-based Systems Service Pack 1
  Status
  affected
  Constraints
  -
- Version
  x64-based Systems Service Pack 1 (Server Core installation)
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows Server 2012 Default
n/a
- Version
  (Server Core installation)
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows Server 2012 R2 Default
n/a
- Version
  (Server Core installation)
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows Server 2016 Default
n/a
- Version
  (Server Core installation)
  Status
  affected
  Constraints
  -
Vendor Microsoft Product Windows Server 2019 Default
n/a
- Version
  (Server Core installation)
  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

Windows 10

n/a

Version	Status	Constraints
32-bit Systems	affected	-
Version 1607 for 32-bit Systems	affected	-
Version 1607 for x64-based Systems	affected	-
Version 1703 for 32-bit Systems	affected	-
Version 1703 for x64-based Systems	affected	-
Version 1709 for 32-bit Systems	affected	-
Version 1709 for x64-based Systems	affected	-
Version 1803 for 32-bit Systems	affected	-
Version 1803 for x64-based Systems	affected	-
Version 1809 for 32-bit Systems	affected	-
Version 1809 for x64-based Systems	affected	-
x64-based Systems	affected	-

Microsoft

Windows 10 Servers

n/a

Version	Status	Constraints
version 1709 (Server Core Installation)	affected	-
version 1803 (Server Core Installation)	affected	-

Microsoft

Windows 7

n/a

Version	Status	Constraints
32-bit Systems Service Pack 1	affected	-
x64-based Systems Service Pack 1	affected	-

Microsoft

Windows 8.1

n/a

Version	Status	Constraints
32-bit systems	affected	-
x64-based systems	affected	-

Microsoft

Windows RT 8.1

n/a

Version	Status	Constraints
Windows RT 8.1	affected	-

Microsoft

Windows Server 2008

n/a

Version	Status	Constraints
32-bit Systems Service Pack 2	affected	-
32-bit Systems Service Pack 2 (Server Core installation)	affected	-
Itanium-Based Systems Service Pack 2	affected	-
x64-based Systems Service Pack 2	affected	-
x64-based Systems Service Pack 2 (Server Core installation)	affected	-

Microsoft

Windows Server 2008 R2

n/a

Version	Status	Constraints
Itanium-Based Systems Service Pack 1	affected	-
x64-based Systems Service Pack 1	affected	-
x64-based Systems Service Pack 1 (Server Core installation)	affected	-

Microsoft

Windows Server 2012

n/a

Version	Status	Constraints
(Server Core installation)	affected	-

Microsoft

Windows Server 2012 R2

n/a

Version	Status	Constraints
(Server Core installation)	affected	-

Microsoft

Windows Server 2016

n/a

Version	Status	Constraints
(Server Core installation)	affected	-

Microsoft

Windows Server 2019

n/a

Version	Status	Constraints
(Server Core installation)	affected	-

Remediation

No remediation recorded yet.

Metrics

5.00% 0.05003

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

EPSS probability 0.05003

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 (39 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	5.00% (0.05003)	91.97th	v5 (v2026.06.15)
Sep 22, 2026	5.00% (0.05003)	91.85th	v5 (v2026.06.15)
Sep 21, 2026	6.07% (0.06065)	93.14th	v5 (v2026.06.15)
Sep 6, 2026	5.00% (0.05003)	91.67th	v5 (v2026.06.15)
Sep 5, 2026	6.07% (0.06065)	92.99th	v5 (v2026.06.15)
Aug 30, 2026	5.00% (0.05003)	91.62th	v5 (v2026.06.15)
Aug 28, 2026	6.23% (0.06232)	93.11th	v5 (v2026.06.15)
Aug 24, 2026	5.14% (0.05141)	91.76th	v5 (v2026.06.15)
Aug 23, 2026	6.23% (0.06232)	93.08th	v5 (v2026.06.15)
Jun 15, 2026	5.14% (0.05141)	91.30th	v5 (v2026.06.15)
Apr 26, 2026	15.61% (0.15613)	94.71th	v4 (v2025.03.14)
Mar 28, 2026	12.19% (0.12191)	93.79th	v4 (v2025.03.14)
Feb 28, 2026	9.61% (0.09609)	92.73th	v4 (v2025.03.14)
Feb 1, 2026	5.56% (0.05563)	90.11th	v4 (v2025.03.14)
Oct 4, 2025	4.17% (0.04175)	88.20th	v4 (v2025.03.14)
Mar 30, 2025	2.46% (0.02455)	83.78th	v4 (v2025.03.14)
Mar 29, 2025	21.48% (0.21480)	93.01th	v4 (v2025.03.14)
Mar 17, 2025	2.82% (0.02817)	85.21th	v4 (v2025.03.14)
Dec 17, 2024	2.40% (0.02397)	89.59th	v3 (v2023.03.01)
Dec 12, 2024	1.14% (0.01137)	85.37th	v3 (v2023.03.01)
May 29, 2024	1.34% (0.01341)	86.07th	v3 (v2023.03.01)
Mar 2, 2024	1.55% (0.01549)	86.81th	v3 (v2023.03.01)
Oct 4, 2023	1.73% (0.01734)	86.43th	v3 (v2023.03.01)
Aug 16, 2023	1.78% (0.01779)	86.45th	v3 (v2023.03.01)
Jul 8, 2023	2.50% (0.02501)	88.60th	v3 (v2023.03.01)
Jun 27, 2023	1.71% (0.01714)	86.07th	v3 (v2023.03.01)
Mar 8, 2023	2.41% (0.02411)	88.20th	v3 (v2023.03.01)
Mar 7, 2023	2.46% (0.02455)	88.32th	v3 (v2023.03.01)
Mar 6, 2023	6.42% (0.06416)	91.03th	v2 (v2022.01.01)
Jan 31, 2023	6.42% (0.06416)	90.67th	v2 (v2022.01.01)
Aug 23, 2022	5.85% (0.05853)	90.00th	v2 (v2022.01.01)
Jul 17, 2022	5.27% (0.05274)	89.27th	v2 (v2022.01.01)
Apr 6, 2022	4.79% (0.04794)	88.19th	v2 (v2022.01.01)
Apr 1, 2022	4.00% (0.04004)	84.54th	v2 (v2022.01.01)
Feb 4, 2022	4.00% (0.04004)	67.82th	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/105452
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041829
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8481
x_refsource_CONFIRMPatchVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/105452		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041829		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8481		x_refsource_CONFIRMPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Oct 10, 2018

Updated Aug 5, 2024

Reserved Mar 14, 2018

Link CVE-2018-8481

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-8481

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-8481