Incorrect permission assignment in Microsoft Exchange Server
Priority LOW 36CWE-732Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants calendar contributors more view permissions than intended, aka "Microsoft Exchange Information Disclosure Vulnerability." This affects Microsoft Exchange Server.
Why it matters now
EPSS 0.04626 91st 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 | 2010 Service Pack 3 Update Rollup 25; 2013 Cumulative Update 21; 2016 Cumulative Update 10; 2016 Cumulative Update 11; 2019 | — | No fix listed | CNA |
- Microsoft Exchange Server VendorMicrosoft Affected 2010 Service Pack 3 Update Rollup 25; 2013 Cumulative Update 21; 2016 Cumulative Update 10; 2016 Cumulative Update 11; 2019 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup25:*:*:*:*:*:* | 2010 sp3_rollup25 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:* | 2013 cumulative_update_21 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:* | 2016 cumulative_update_10 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:* | 2016 cumulative_update_11 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:* | 2019 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup25:*:*:*:*:*:* Versions 2010 sp3_rollup25 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:* Versions 2013 cumulative_update_21 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:* Versions 2016 cumulative_update_10 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:* Versions 2016 cumulative_update_11 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-0588
- 2026-10-03 Alias added: GHSA-rccg-m8rw-5858
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-2019-0588 · CVE Program
- CVE-2019-0588 · NVD
- FIRST EPSS
- GHSA-rccg-m8rw-5858 · 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