Vulnerability-Lookup

CVE-2026-42897 (GCVE-0-2026-42897)

Vulnerability from – Published: 2026-05-14 17:00 – Updated: 2026-08-10 15:14

Title

Microsoft Exchange Server Spoofing Vulnerability

Summary

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

microsoft

References

2 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

4 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	Affected: 15.01.0.0 , < 15.01.2507.069 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 14	Affected: 15.02.0.0 , < 15.02.1544.041 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 15	Affected: 15.02.0.0 , < 15.02.1748.046 (custom)
Microsoft	Microsoft Exchange Server Subscription Edition RTM	Affected: 15.02.0.0 , < 15.02.2562.043 (custom)

Date Public

2026-05-14 14:00

Show details on NVD website

JSON

To clipboard

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CVE-2021-34470 (GCVE-0-2021-34470)

Vulnerability from – Published: 2021-07-14 17:54 – Updated: 2026-08-10 15:12

Title

Microsoft Exchange Server Elevation of Privilege Vulnerability

Summary

Microsoft Exchange Server Elevation of Privilege Vulnerability

Severity

8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

Elevation of Privilege

Assigner

microsoft

References

3 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISCx_transferred
http://packetstormsecurity.com/files/163706/Micro…	x_refsource_MISCx_transferred

Impacted products

3 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2013 Cumulative Update 23	Affected: 15.00.0 , < 15.00.1497.023 (custom)
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 21	Affected: 15.01.0 , < 15.01.2308.008 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 10	Affected: 15.02.0 , < 15.02.0922.007 (custom)

Date Public

2021-07-13 14:00

Show details on NVD website

JSON

To clipboard

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CVE-2023-38181 (GCVE-0-2023-38181)

Vulnerability from – Published: 2023-08-08 17:08 – Updated: 2026-08-10 15:12

Title

Microsoft Exchange Server Spoofing Vulnerability

Summary

Microsoft Exchange Server Spoofing Vulnerability

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-502 - Deserialization of Untrusted Data

Assigner

microsoft

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

3 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	Affected: 15.01.0 , < 15.01.2507.032 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 12	Affected: 15.02.0 , < 15.02.1118.037 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 13	Affected: 15.02.0 , < 15.02.1258.025 (custom)

Date Public

2023-08-08 07:00

Show details on NVD website

JSON

To clipboard

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CVE-2023-38182 (GCVE-0-2023-38182)

Vulnerability from – Published: 2023-08-08 17:08 – Updated: 2026-08-10 15:11

Title

Microsoft Exchange Server Remote Code Execution Vulnerability

Summary

Microsoft Exchange Server Remote Code Execution Vulnerability

Severity

8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-502 - Deserialization of Untrusted Data

Assigner

microsoft

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

3 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	Affected: 15.01.0 , < 15.01.2507.032 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 12	Affected: 15.02.0 , < 15.02.1118.037 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 13	Affected: 15.02.0 , < 15.02.1258.025 (custom)

Date Public

2023-08-08 07:00

Show details on NVD website

JSON

To clipboard

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CVE-2023-35388 (GCVE-0-2023-35388)

Vulnerability from – Published: 2023-08-08 17:08 – Updated: 2026-08-10 15:11

Title

Microsoft Exchange Server Remote Code Execution Vulnerability

Summary

Microsoft Exchange Server Remote Code Execution Vulnerability

Severity

8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-502 - Deserialization of Untrusted Data

Assigner

microsoft

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

3 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	Affected: 15.01.0 , < 15.01.2507.032 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 12	Affected: 15.02.0 , < 15.02.1118.037 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 13	Affected: 15.02.0 , < 15.02.1258.025 (custom)

Date Public

2023-08-08 07:00

Show details on NVD website

JSON

To clipboard

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CVE-2024-21410 (GCVE-0-2024-21410)

Vulnerability from – Published: 2024-02-13 18:02 – Updated: 2026-08-10 15:11

Title

Microsoft Exchange Server Elevation of Privilege Vulnerability

Summary

Microsoft Exchange Server Elevation of Privilege Vulnerability

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-287 - Improper Authentication

Assigner

microsoft

References

2 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

3 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	Affected: 15.01.0 , < 15.01.2507.037 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 13	Affected: 15.02.0 , < 15.2.1544.004 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 14	Affected: 15.02.0 , < 15.2.1544.004 (custom)

Date Public

2024-02-13 08:00

Show details on NVD website

JSON

To clipboard

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CVE-2023-38185 (GCVE-0-2023-38185)

Vulnerability from – Published: 2023-08-08 17:08 – Updated: 2026-08-10 15:11

Title

Microsoft Exchange Server Remote Code Execution Vulnerability

Summary

Microsoft Exchange Server Remote Code Execution Vulnerability

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-23 - Relative Path Traversal

Assigner

microsoft

References

1 reference

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch

Impacted products

3 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	Affected: 15.01.0 , < 15.01.2507.032 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 12	Affected: 15.02.0 , < 15.02.1118.037 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 13	Affected: 15.02.0 , < 15.02.1258.025 (custom)

Date Public

2023-08-08 07:00

Show details on NVD website

JSON

To clipboard

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CVE-2021-33768 (GCVE-0-2021-33768)

Vulnerability from – Published: 2021-07-14 17:53 – Updated: 2026-08-10 15:11

Title

Microsoft Exchange Server Elevation of Privilege Vulnerability

Summary

Microsoft Exchange Server Elevation of Privilege Vulnerability

Severity

8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CWE

Elevation of Privilege

Assigner

microsoft

References

2 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISCx_transferred

Impacted products

4 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 20	Affected: 15.01.0 , < 15.01.2242.012 (custom)
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 21	Affected: 15.01.0 , < 15.01.2308.014 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 10	Affected: 15.02.0 , < 15.02.0922.013 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 9	Affected: 15.02.0 , < 15.02.0858.015 (custom)

Date Public

2021-07-13 14:00

Show details on NVD website

JSON

To clipboard

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CVE-2021-33766 (GCVE-0-2021-33766)

Vulnerability from – Published: 2021-07-14 17:53 – Updated: 2026-08-10 15:11

Title

Microsoft Exchange Server Information Disclosure Vulnerability

Summary

Microsoft Exchange Server Information Disclosure Vulnerability

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C

SSVC

Exploitation: active Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

Information Disclosure
CWE-noinfo Not enough information

Assigner

microsoft

References

4 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISCx_transferred
https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISCx_transferred
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

5 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2013 Cumulative Update 23	Affected: 15.00.0 , < 15.00.1497.015 (custom)
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 19	Affected: 15.01.0 , < 15.01.2176.012 (custom)
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 20	Affected: 15.01.0 , < 15.01.2242.008 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 8	Affected: 15.02.0 , < 15.02.0792.013 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 9	Affected: 15.02.0 , < 15.02.0858.010 (custom)

Date Public

2021-07-13 14:00

Show details on NVD website

JSON

To clipboard

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CVE-2021-31206 (GCVE-0-2021-31206)

Vulnerability from – Published: 2021-07-14 17:53 – Updated: 2026-08-10 15:11

Title

Microsoft Exchange Server Remote Code Execution Vulnerability

Summary

Microsoft Exchange Server Remote Code Execution Vulnerability

Severity

7.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L/E:F/RL:O/RC:C

CWE

Remote Code Execution

Assigner

microsoft

References

3 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://portal.msrc.microsoft.com/en-US/security-…	x_refsource_MISCx_transferred
https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISCx_transferred

Impacted products

5 products

Vendor	Product	Version
Microsoft	Microsoft Exchange Server 2013 Cumulative Update 23	Affected: 15.00.0 , < 15.00.1497.023 (custom)
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 20	Affected: 15.01.0 , < 15.01.2242.012 (custom)
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 21	Affected: 15.01.0 , < 15.01.2308.014 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 10	Affected: 15.02.0 , < 15.02.0922.013 (custom)
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 9	Affected: 15.02.0 , < 15.02.0858.015 (custom)

Date Public

2021-07-13 14:00

Show details on NVD website

JSON

To clipboard

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}

Exchange Server

Description

Product name

Related organization

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