MEDIUM
Windows Information Disclosure Vulnerability
Published Aug 14, 2019
4.3
MEDIUMCVSS 3.1
EPSS 3.99%
Description
An information disclosure vulnerability exists in Azure Active Directory (AAD) Microsoft Account (MSA) during the login request session. An attacker who successfully exploited the vulnerability could take over a user's account. To exploit the vulnerability, an attacker would have to trick a user into browsing to a specially crafted website, allowing the attacker to steal the user's token. The security update addresses the vulnerability by correcting how MSA handles cookies.
Affected products
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 10.0.0StatusaffectedConstraints<publication
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- Version 6.3.0StatusaffectedConstraints<publication
- Version
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- Version 6.3.0StatusaffectedConstraints<publication
- Version
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- Version 6.3.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- Version
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- Version 10.0.0StatusaffectedConstraints<publication
- 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 1507 | n/a |
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| Microsoft | Windows 10 Version 1607 | n/a |
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| Microsoft | Windows 10 Version 1703 | n/a |
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| Microsoft | Windows 10 Version 1709 | n/a |
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| Microsoft | Windows 10 Version 1709 for 32-bit Systems | n/a |
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| Microsoft | Windows 10 Version 1803 | n/a |
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| Microsoft | Windows 10 Version 1809 | n/a |
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| Microsoft | Windows 10 Version 1903 for 32-bit Systems | n/a |
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| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | n/a |
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| Microsoft | Windows 10 Version 1903 for x64-based Systems | n/a |
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| Microsoft | Windows 8.1 | 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, version 1803 (Server Core Installation) | n/a |
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| Microsoft | Windows Server, version 1903 (Server Core installation) | n/a |
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OR
- n/a
- 1607
- 1703
- 1709
- 1803
- 1809
- 1903
- n/a
- n/a
- n/a
- r2
- n/a
- 1803
- 1903
- n/a
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.
4.3 MEDIUM CVE.org
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
Exploit Maturity Proof of Concept
1 other source (NVD) ▾
4.3 MEDIUM NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
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 Jun 18, 2024 · SSVC 2.0.3
3.99% 0.03989
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.03989
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (21 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 3.99% (0.03989) | 90.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.99% (0.03989) | 89.14th | v5 (v2026.06.15) |
| Jun 16, 2025 | 6.50% (0.06500) | 90.61th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.89% (0.04894) | 88.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.69% (0.13695) | 90.42th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.89% (0.04894) | 88.86th | v4 (v2025.03.14) |
| Jan 25, 2025 | 2.23% (0.02230) | 89.28th | v3 (v2023.03.01) |
| Dec 17, 2024 | 3.27% (0.03272) | 91.09th | v3 (v2023.03.01) |
| Apr 10, 2024 | 0.59% (0.00586) | 77.85th | v3 (v2023.03.01) |
| Jan 10, 2024 | 0.59% (0.00586) | 75.83th | v3 (v2023.03.01) |
| Dec 26, 2023 | 0.60% (0.00597) | 76.03th | v3 (v2023.03.01) |
| Nov 9, 2023 | 0.59% (0.00586) | 75.68th | v3 (v2023.03.01) |
| Oct 24, 2023 | 0.77% (0.00769) | 79.20th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.54% (0.00543) | 74.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.90% (0.00904) | 80.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.44% (0.03442) | 84.71th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.63% (0.02632) | 80.45th | v2 (v2022.01.01) |
| Mar 31, 2022 | 17.53% (0.17530) | 93.39th | v2 (v2022.01.01) |
| Jan 6, 2022 | 17.64% (0.17642) | 92.74th | v1 |
| Jan 5, 2022 | 4.56% (0.04557) | 86.73th | v5 (v2026.06.15) |
| Apr 14, 2021 | 4.56% (0.04557) | 0.00th | v1 |
Weaknesses (1)
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1172 x_refsource_MISCPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1172 | x_refsource_MISCPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Aug 14, 2019
Updated Aug 4, 2024
Reserved Nov 26, 2018
Link CVE-2019-1172
CISA Vulnrichment
Updated Jun 18, 2024