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8 vulnerabilities found for Microsoft Teams by Microsoft
CVE-2026-33823 (GCVE-0-2026-33823)
Vulnerability from nvd – Published: 2026-05-07 20:58 – Updated: 2026-06-19 16:13 Exclusively Hosted Service
VLAI
Title
Microsoft Team Events Portal Information Disclosure Vulnerability
Summary
Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Teams |
Affected:
-
|
Date Public
2026-05-07 14:00
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CVE-2026-21535 (GCVE-0-2026-21535)
Vulnerability from nvd – Published: 2026-02-19 22:06 – Updated: 2026-05-11 21:25 Exclusively Hosted Service
VLAI
Title
Microsoft Teams Information Disclosure Vulnerability
Summary
Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Teams |
Affected:
-
|
Date Public
2026-02-19 16:00
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CVE-2023-24881 (GCVE-0-2023-24881)
Vulnerability from nvd – Published: 2023-07-11 16:37 – Updated: 2025-07-10 16:39
VLAI
Title
Microsoft Teams Information Disclosure Vulnerability
Summary
Microsoft Teams Information Disclosure Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Teams |
Affected:
2.0.0 , < 2.10.1
(custom)
|
Date Public
2023-05-09 07:00
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CVE-2020-17091 (GCVE-0-2020-17091)
Vulnerability from nvd – Published: 2020-11-11 06:48 – Updated: 2026-05-29 20:52
VLAI
Title
Microsoft Teams Remote Code Execution Vulnerability
Summary
Microsoft Teams Remote Code Execution Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- Remote Code Execution
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Teams |
Affected:
N/A
cpe:2.3:a:microsoft:teams:-:*:*:*:*:*:*:* |
Date Public
2020-11-10 08:00
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CVE-2026-33823 (GCVE-0-2026-33823)
Vulnerability from cvelistv5 – Published: 2026-05-07 20:58 – Updated: 2026-06-19 16:13 Exclusively Hosted Service
VLAI
Title
Microsoft Team Events Portal Information Disclosure Vulnerability
Summary
Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-285 - Improper Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Teams |
Affected:
-
|
Date Public
2026-05-07 14:00
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CVE-2026-21535 (GCVE-0-2026-21535)
Vulnerability from cvelistv5 – Published: 2026-02-19 22:06 – Updated: 2026-05-11 21:25 Exclusively Hosted Service
VLAI
Title
Microsoft Teams Information Disclosure Vulnerability
Summary
Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Teams |
Affected:
-
|
Date Public
2026-02-19 16:00
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CVE-2023-24881 (GCVE-0-2023-24881)
Vulnerability from cvelistv5 – Published: 2023-07-11 16:37 – Updated: 2025-07-10 16:39
VLAI
Title
Microsoft Teams Information Disclosure Vulnerability
Summary
Microsoft Teams Information Disclosure Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Teams |
Affected:
2.0.0 , < 2.10.1
(custom)
|
Date Public
2023-05-09 07:00
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CVE-2020-17091 (GCVE-0-2020-17091)
Vulnerability from cvelistv5 – Published: 2020-11-11 06:48 – Updated: 2026-05-29 20:52
VLAI
Title
Microsoft Teams Remote Code Execution Vulnerability
Summary
Microsoft Teams Remote Code Execution Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- Remote Code Execution
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Teams |
Affected:
N/A
cpe:2.3:a:microsoft:teams:-:*:*:*:*:*:*:* |
Date Public
2020-11-10 08:00
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