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CVE-2017-8465

22
FAUCET Score

CVE-2017-8465 is an Elevation of Privilege vulnerability affecting multiple versions of Microsoft Windows, including Windows 8.1, Windows 10, Windows Server 2012 R2, and Windows Server 2016. This flaw allows an attacker to execute processes with elevated privileges due to improper handling of objects in memory by the Windows kernel (Win32k). The vulnerability has a CVSS v3 score of 7.8 (High), indicating a local attack vector with low attack complexity, requiring low privileges and no user interaction. A successful exploit could lead to high impact on confidentiality, integrity, and availability of the affected system. Currently, there is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage, suggesting low public awareness or interest.

Impacted Technologies

VendorProductVersion(s)CPE
1511CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*
1607CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
1703CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
rtCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_8.1:rt:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.34%
Probability of exploitation in next 30 days
EPSS Percentile
81.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0234 is in the 97th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (16)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1511 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1511 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Windows RT 8.1
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016
View patch

Vendor Advisories (1)

microsoft2017-Jun/CVE-2017-8465Important

Win32k Elevation of Privilege Vulnerability

Jun 13, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-8465
MitigationPatchVendor Advisory
securityfocus.com / bid/98843
Third Party AdvisoryVDB Entry