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CVE-2018-8117

24
FAUCET Score

CVE-2018-8117 describes a security feature bypass in the Microsoft Wireless Keyboard 850, allowing an attacker to reuse an AES encryption key to intercept or inject keystrokes on affected devices. This vulnerability carries a CVSS score of 6.8 (Medium), indicating an attack that can be executed adjacent to the victim with high impact on confidentiality and integrity, though with high attack complexity. There is no evidence of active exploitation, public exploit code, or inclusion in the CISA KEV catalog, and community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:h:microsoft:wireless_keyboard_850:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 97th percentile among its peer group of 1,749 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Microsoft Wireless Keyboard 850
View patch

Vendor Advisories (1)

microsoft2018-Apr/CVE-2018-8117Important

Microsoft Wireless Keyboard 850 Security Feature Bypass Vulnerability

Apr 10, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8117
PatchVendor Advisory
securityfocus.com / bid/103711
Third Party AdvisoryVDB Entry