CVE-2026-3197
📛 CVE Title
CVE-2026-3197
Description
No English description in the CVE record.
Overview
- State
- REJECTED
- Assigner (CNA)
- Wordfence
- CVSS severity
- —
- CVSS score
- —
- CVSS vector
- —
- Effective score
- no score available from CNA, NVD, or AI yet
- CWE(s)
- —
- Reserved
- 2026-02-25
- Published
- —
- Last updated
- 2026-02-25 15:01 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/3xxx/CVE-2026-3197.json
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-02-25 15:20:55 UTC
- NVD last modified
- 2026-02-25 15:20:55 UTC
NVD / KEV / EPSS data refreshed 2026-05-25 11:52 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
AI-forensic CVSS estimate
Used only when a CVE has no official CVSS from its CNA or NVD. An LLM estimates the v3.1 base score from the description; a HIGH/CRITICAL estimate promotes the CVE to a Threat.
No AI estimate yet — it runs automatically once NVD has been checked, or click the button above.
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
Remediations (10)
-
web:cybersecuritynews.com
Microsoft Exchange Server spoofing flaw, is being actively exploited against on-premises systems before a permanent patch is available.
2026-05-23 19:09 UTC -
web:krebsonsecurity.com
Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.
2026-05-23 19:09 UTC -
web:purple-ops.io
CVE - 2026 -42897 is a critical spoofing vulnerability in Microsoft Exchange's Outlook Web Access (OWA) that allows for cross-site scripting (XSS). It is critical because threat actors are actively exploiting it to achieve session hijacking, data theft, and network-level spoofing with low attack complexity.
2026-05-23 19:09 UTC -
web:techcommunity.microsoft.com
We wanted to tell you how to address the Exchange Server May 2026 vulnerability CVE - 2026 -42897.
2026-05-23 19:09 UTC -
web:windowsforum.com
Microsoft's Fastest Fix Is a Mitigation , Not a Patch The important detail in Microsoft's May 14 notice is that there is no permanent Exchange security update available yet for CVE - 2026 -42897. Microsoft says it is working on one and will release it later for affected supported paths, but today's defensive action is mitigation .
2026-05-23 19:09 UTC -
web:www.cisecurity.org
<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...
2026-05-23 19:09 UTC -
web:www.forbes.com
Microsoft Exchange users are urged to mitigate a zero-day vulnerability that CISA has confirmed is under active exploitation.
2026-05-23 19:09 UTC -
web:www.helient.com
Conclusion Helient strongly recommends customers immediately review their Exchange Server environments for exposure to CVE - 2026 -42897 and enable the appropriate mitigation . Given the active exploitation and high severity, a rapid response and validation approach is critical.
2026-05-23 19:09 UTC -
web:www.helpnetsecurity.com
Microsoft has marked May 2026 Patch Tuesday by releasing fixes for 120+ CVE -numbered vulnerabilities, none of which are actively exploited.
2026-05-23 19:09 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-23 19:09 UTC
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.
Raw JSON
The full cvelistV5 record. Download as CVE-2026-3197.json.
{
"containers": {
"cna": {
"providerMetadata": {
"dateUpdated": "2026-02-25T14:01:00.880Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"rejectedReasons": [
{
"lang": "en",
"value": "** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate was issued in error. Notes: All references and descriptions in this candidate have been removed to prevent accidental usage."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-3197",
"dateRejected": "2026-02-25T14:01:00.880Z",
"dateReserved": "2026-02-25T11:35:26.430Z",
"dateUpdated": "2026-02-25T14:01:00.880Z",
"state": "REJECTED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}