Back to CVE records
High 7.3Published Aug 11, 2026
CVE-2026-62914Microsoft Exchange Server Spoofing Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Exchange Server 2016 Cumulative Update 23 and 5 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 microsoft:exchange_server_2016_cumulative_update_23 (from the name) | from 15.01.0.0 before 15.01.2507.072 | CNA record |
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 microsoft:exchange_server_2019_cumulative_update_14 (from the name) | from 15.02.0.0 before 15.02.1544.044 | CNA record |
Microsoft Microsoft Exchange Server 2019 Cumulative Update 15 microsoft:exchange_server_2019_cumulative_update_15 (from the name) | from 15.02.0.0 before 15.02.1748.049 | CNA record |
Microsoft Microsoft Exchange Server Subscription Edition RTM microsoft:exchange_server_subscription_edition_rtm (from the name) | from 15.02.0.0 before 15.02.2562.046 | CNA record |
microsoft exchange_server microsoft:exchange_server | 2016; 2016; 2016; 2016; 2016; 2016; 2016; 2016; and 29 more ranges | NVD |
microsoft exchange_server_subscription_edition microsoft:exchange_server_subscription_edition | before 15.02.2562.046 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62914vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.