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CVE-2026-62911 Details
Description
Authentication bypass by capture-replay in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 6, 2026Exploitation: PocAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/hypnguyen1209/CVE-2026-62911 | CISA-ADP | |
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62911 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-294 | Authentication Bypass by Capture-replay | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft exchange server | 2016 - 2016 cumulative_update_1 2016 cumulative_update_10 2016 cumulative_update_11 2016 cumulative_update_12 2016 cumulative_update_13 2016 cumulative_update_14 2016 cumulative_update_15 2016 cumulative_update_16 2016 cumulative_update_17 2016 cumulative_update_18 2016 cumulative_update_19 2016 cumulative_update_2 2016 cumulative_update_20 2016 cumulative_update_21 2016 cumulative_update_22 2016 cumulative_update_3 2016 cumulative_update_4 2016 cumulative_update_5 2016 cumulative_update_6 2016 cumulative_update_7 2016 cumulative_update_8 2016 cumulative_update_9 2019 - 2019 cumulative_update_1 2019 cumulative_update_10 2019 cumulative_update_11 2019 cumulative_update_12 2019 cumulative_update_13 2019 cumulative_update_2 2019 cumulative_update_3 2019 cumulative_update_4 2019 cumulative_update_5 2019 cumulative_update_6 2019 cumulative_update_7 2019 cumulative_update_8 2019 cumulative_update_9 |
CPE
Remediation
| |
| microsoft exchange server subscription edition | < 15.02.2562.046 |
CPE
Remediation
| |
Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 2, 2026 | CVE Modified | CISA-ADP |
| Sep 1, 2026 | CVE Modified | [email protected] |
| Sep 1, 2026 | CVE Modified | CISA-ADP |
| Aug 13, 2026 | Initial Analysis | [email protected] |
| Aug 12, 2026 | CVE Modified | CISA-ADP |
| Aug 12, 2026 | CVE Modified | CISA-ADP |
| Aug 11, 2026 | New CVE Received | [email protected] |