Information disclosure in Microsoft Exchange Server
Priority LOW 33CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
Microsoft Exchange Server 2013 and Microsoft Exchange Server 2016 allow an input sanitization issue with Microsoft Exchange that could potentially result in unintended Information Disclosure, aka "Microsoft Exchange Information Disclosure Vulnerability"
Why it matters now
EPSS 0.06559 93rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Exchange Server | Microsoft Exchange Server 2013 and Microsoft Exchange Server 2016 | — | No fix listed | CNA |
- Microsoft Exchange Server VendorMicrosoft Affected Microsoft Exchange Server 2013 and Microsoft Exchange Server 2016 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_16:*:*:*:*:*:* | 2013 cumulative_update_16 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_17:*:*:*:*:*:* | 2013 cumulative_update_17 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_5:*:*:*:*:*:* | 2016 cumulative_update_5 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_6:*:*:*:*:*:* | 2016 cumulative_update_6 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_16:*:*:*:*:*:* Versions 2013 cumulative_update_16 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_17:*:*:*:*:*:* Versions 2013 cumulative_update_17 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_5:*:*:*:*:*:* Versions 2016 cumulative_update_5 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_6:*:*:*:*:*:* Versions 2016 cumulative_update_6 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-11761
- 2026-10-03 Alias added: GHSA-pf3p-qjm3-w7j2
More Microsoft Exchange Server vulnerabilities
- TI-2024-14170 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2022-19610 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-13547 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-13502 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-08465 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2023-07929 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2017-11761 · CVE Program
- CVE-2017-11761 · NVD
- FIRST EPSS
- GHSA-pf3p-qjm3-w7j2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences