Active Directory Certificate Services (AD CS) Information Disclosure Vulnerability
Published Sep 8, 2026
6.5
MEDIUMCVSS 3.1
EPSS 1.00%
Description
Use of externally-controlled format string in Active Directory Certificate Services (AD CS) allows an authorized attacker to disclose information over a network.
Affected products
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- Version 10.0.14393.0StatusaffectedConstraints<10.0.14393.9512
- Version
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- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.9245
- Version
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- Version 6.2.9200.0StatusaffectedConstraints<6.2.9200.26349
- Version
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- Version 6.2.9200.0StatusaffectedConstraints<6.2.9200.26349
- Version
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- Version 6.3.9600.0StatusaffectedConstraints<6.3.9600.23398
- Version
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- Version 6.3.9600.0StatusaffectedConstraints<6.3.9600.23398
- Version
-
- Version 10.0.14393.0StatusaffectedConstraints<10.0.14393.9512
- Version
-
- Version 10.0.14393.0StatusaffectedConstraints<10.0.14393.9512
- Version
-
- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.9245
- Version
-
- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.9245
- Version
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- Version 10.0.20348.0StatusaffectedConstraints<10.0.20348.5622
- Version
-
- Version 10.0.26100.0StatusaffectedConstraints<10.0.26100.33438
- Version
-
- Version 10.0.26100.0StatusaffectedConstraints<10.0.26100.33438
- Version
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 Version 1607 | n/a |
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| Microsoft | Windows 10 Version 1809 | n/a |
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| Microsoft | Windows Server 2012 | n/a |
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| Microsoft | Windows Server 2012 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2012 R2 | n/a |
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| Microsoft | Windows Server 2012 R2 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2016 | n/a |
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| Microsoft | Windows Server 2016 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2019 | n/a |
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| Microsoft | Windows Server 2019 (Server Core installation) | n/a |
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| Microsoft | Windows Server 2022 | n/a |
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| Microsoft | Windows Server 2025 | n/a |
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| Microsoft | Windows Server 2025 (Server Core installation) | n/a |
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No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
1 other source (NVD) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Sep 8, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.00% (0.00995) | 61.30th | v5 (v2026.06.15) |
| Sep 9, 2026 | 0.88% (0.00875) | 56.82th | v5 (v2026.06.15) |
References (1)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69395 vendor-advisorypatch
| Link | Providers | Tags |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69395 | vendor-advisorypatch |
Change history (0)
No recorded changes yet.