Windows Kernel
CVE-2018-8622 — Windows Kernel Information Disclosure Vulnerability
Executive Summary
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory.
Overview
4.7
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
N/A
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Local
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.1
EPSS Score
0.01835
probability of exploitation in the next 30 days
0.77021 percentile - updated 2026-08-14
View on FIRST.org
Affected Products
1 affected product
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 7 for 32-bit Systems Service Pack 1 4471318 (Monthly Rollup) 4471328 (Security Only) Important Information Disclosure 4467107 Base: 4.7 Temporal: 4.1 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Yes None Windows 7 for x64-based Systems Service Pack 1 4471318 (Monthly Rollup) 4471328 (Security Only) Important Information Disclosure 4467107 Base: 4.7 Temporal: 4.1 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Yes None Windows 8.1 for 32-bit systems 4471320 (Monthly Rollup) 4471322 (Security Only) Important Information Disclosure 4467697 Base: 4.7 Temporal: 4.1 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Yes None Windows 8.1 for x64-based systems 4471320 (Monthly Rollup) 4471322 (Security Only) Important Information Disclosure 4467697 Base: 4.7 Temporal: 4.1 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C Yes None Windows RT 8.1 | 4471320 (Monthly Rollup) |
Important | Information Disclosure | Yes |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
4471320 |
Monthly Rollup | Yes |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
References
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