Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Metrics
Affected Vendors & Products
References
History
Sun, 18 Oct 2026 04:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft microsoft Exchange Server 2019 Cumulative Update 15
|
|
| Vendors & Products |
Microsoft microsoft Exchange Server 2019 Cumulative Update 15
|
Wed, 14 Oct 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 13 Oct 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. | |
| Title | Microsoft Exchange Server Elevation of Privilege Vulnerability | |
| First Time appeared |
Microsoft
Microsoft exchange Server 2016 Microsoft exchange Server 2019 Microsoft exchange Server Se |
|
| Weaknesses | CWE-347 | |
| CPEs | cpe:2.3:a:microsoft:exchange_server_2016:*:cumulative_update_23:*:*:*:*:*:* cpe:2.3:a:microsoft:exchange_server_2019:*:cumulative_update_14:*:*:*:*:*:* cpe:2.3:a:microsoft:exchange_server_2019:*:cumulative_update_15:*:*:*:*:*:* cpe:2.3:a:microsoft:exchange_server_se:*:RTM:*:*:*:*:*:* |
|
| Vendors & Products |
Microsoft
Microsoft exchange Server 2016 Microsoft exchange Server 2019 Microsoft exchange Server Se |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: microsoft
Published: 2026-10-13T19:01:10.699Z
Updated: 2026-10-23T22:29:42.953Z
Reserved: 2026-09-08T23:57:53.797Z
Link: CVE-2026-87696
Updated: 2026-10-13T20:01:25.628Z
Status : Awaiting Analysis
Published: 2026-10-13T19:21:22.273
Modified: 2026-10-14T04:18:52.363
Link: CVE-2026-87696
No data.