Microsoft Exchange Server Information Disclosure Vulnerability
Priority MEDIUM 42CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01385 72nd percentileScored 2026-11-07
Fix Fixed Microsoft: 4 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | 15.01.0.0 to before 15.01.2507.058 | 15.01.2507.058 | Patch available | CNA |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 14 | 15.02.0.0 to before 15.02.1544.033 | 15.02.1544.033 | Patch available | CNA |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 15 | 15.02.0.0 to before 15.02.1748.036 | 15.02.1748.036 | Patch available | CNA |
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0 to before 15.02.2562.020 | 15.02.2562.020 | Patch available | CNA |
- Microsoft Exchange Server 2016 Cumulative Update 23 VendorMicrosoft Affected 15.01.0.0 to before 15.01.2507.058 Fixed in 15.01.2507.058 Patch available CNA
- Microsoft Exchange Server 2019 Cumulative Update 14 VendorMicrosoft Affected 15.02.0.0 to before 15.02.1544.033 Fixed in 15.02.1544.033 Patch available CNA
- Microsoft Exchange Server 2019 Cumulative Update 15 VendorMicrosoft Affected 15.02.0.0 to before 15.02.1748.036 Fixed in 15.02.1748.036 Patch available CNA
- Microsoft Exchange Server Subscription Edition RTM VendorMicrosoft Affected 15.02.0.0 to before 15.02.2562.020 Fixed in 15.02.2562.020 Patch available CNA
CPE configurations NVD · 38
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:exchange_server:2016:-:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_1:*:*:*:*:*:* | 2016 cumulative_update_1 | 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:2016:cumulative_update_12:*:*:*:*:*:* | 2016 cumulative_update_12 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:* | 2016 cumulative_update_13 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:* | 2016 cumulative_update_14 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:* | 2016 cumulative_update_15 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:* | 2016 cumulative_update_16 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:* | 2016 cumulative_update_17 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:exchange_server:2016:-:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_1:*:*:*:*:*:* Versions 2016 cumulative_update_1 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:2016:cumulative_update_12:*:*:*:*:*:* Versions 2016 cumulative_update_12 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:* Versions 2016 cumulative_update_13 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:* Versions 2016 cumulative_update_14 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:* Versions 2016 cumulative_update_15 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:* Versions 2016 cumulative_update_16 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:* Versions 2016 cumulative_update_17 Vulnerable ·Microsoft
Show 28 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:* | 2016 cumulative_update_18 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:* | 2016 cumulative_update_19 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_2:*:*:*:*:*:* | 2016 cumulative_update_2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:* | 2016 cumulative_update_20 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:* | 2016 cumulative_update_21 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:* | 2016 cumulative_update_22 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_3:*:*:*:*:*:* | 2016 cumulative_update_3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_4:*:*:*:*:*:* | 2016 cumulative_update_4 | 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:2016:cumulative_update_7:*:*:*:*:*:* | 2016 cumulative_update_7 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:* | 2016 cumulative_update_8 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:* | 2016 cumulative_update_9 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:* | 2019 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:* | 2019 cumulative_update_1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:* | 2019 cumulative_update_10 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:* | 2019 cumulative_update_11 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_12:*:*:*:*:*:* | 2019 cumulative_update_12 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_13:*:*:*:*:*:* | 2019 cumulative_update_13 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:* | 2019 cumulative_update_2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:* | 2019 cumulative_update_3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:* | 2019 cumulative_update_4 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:* | 2019 cumulative_update_5 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:* | 2019 cumulative_update_6 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:* | 2019 cumulative_update_7 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:* | 2019 cumulative_update_8 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:* | 2019 cumulative_update_9 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server_subscription_edition:*:*:*:*:*:*:*:* | before 15.02.2562.020 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:* Versions 2016 cumulative_update_18 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:* Versions 2016 cumulative_update_19 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_2:*:*:*:*:*:* Versions 2016 cumulative_update_2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:* Versions 2016 cumulative_update_20 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:* Versions 2016 cumulative_update_21 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:* Versions 2016 cumulative_update_22 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_3:*:*:*:*:*:* Versions 2016 cumulative_update_3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_4:*:*:*:*:*:* Versions 2016 cumulative_update_4 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
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_7:*:*:*:*:*:* Versions 2016 cumulative_update_7 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:* Versions 2016 cumulative_update_8 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:* Versions 2016 cumulative_update_9 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:* Versions 2019 cumulative_update_1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:* Versions 2019 cumulative_update_10 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:* Versions 2019 cumulative_update_11 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_12:*:*:*:*:*:* Versions 2019 cumulative_update_12 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_13:*:*:*:*:*:* Versions 2019 cumulative_update_13 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:* Versions 2019 cumulative_update_2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:* Versions 2019 cumulative_update_3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:* Versions 2019 cumulative_update_4 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:* Versions 2019 cumulative_update_5 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:* Versions 2019 cumulative_update_6 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:* Versions 2019 cumulative_update_7 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:* Versions 2019 cumulative_update_8 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:* Versions 2019 cumulative_update_9 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server_subscription_edition:*:*:*:*:*:*:*:* Versions before 15.02.2562.020 Vulnerable ·Microsoft
Remediation
Microsoft 4 updates
- Security Update
- Microsoft Exchange Server Subscription Edition RTM 15.02.2562.020
- Security Update
- Microsoft Exchange Server 2016 Cumulative Update 23 15.01.2507.058
- Security Update
- Microsoft Exchange Server 2019 Cumulative Update 14 15.02.1544.033
Show 1 more Microsoft updates
- Security Update
- Microsoft Exchange Server 2019 Cumulative Update 15 15.02.1748.036
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Information Disclosure
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2025-33051
- 2026-10-03 Alias added: GHSA-g2pc-4mv5-44c7
References
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-2025-33051 · CVE Program
- CVE-2025-33051 · NVD
- FIRST EPSS
- GHSA-g2pc-4mv5-44c7 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-33051 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences