- Description
- Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
- Source
- secure@microsoft.com
- NVD status
- Analyzed
- Products
- exchange_server
CVSS 3.1
- Type
- Primary
- Base score
- 6.1
- Impact score
- 2.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
Data from CISA
- Vulnerability name
- Microsoft Exchange Server Cross-Site Scripting Vulnerability
- Exploit added on
- May 15, 2026
- Exploit action due
- May 29, 2026
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- secure@microsoft.com
- CWE-79
- Hype score
- Not currently trending
New critical flaws: Exchange zero-day (CVE-2026-42897) actively exploited, Windows DNS Client RCE (CVE-2026-41096), & Cisco SD-WAN auth bypass (CVE-2026-20182). These threaten data privacy/integrity in transit. Patch NOW! #Cybersecurity #ZeroDay #News
@YourAnon_irc
15 May 2026
41 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
Tiap hari makin banyak aja vulnerability yang ketauan Hari ini: 1. Microsoft Exchange Server CVE-2026-42897 -> spoofing javascript buat ngebuka email lewat Outlook Web Access 2. Next.js – WebSocket Upgrade SSRF (CVSS 8.6) CVE-2026-44578 Kemaren 3. NGINX critical remote co
@kaabimaa
15 May 2026
105 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
From Microsoft Community Hub, Addressing Exchange Server May 2026 vulnerability CVE-2026-42897, by The_Exchange_Team "On May 14, 2026, Microsoft disclosed CVE-2026-42897 , a reported vulnerability affecting Exchange Outlook Web Access (OWA). An..." https://t.co/jdz48QdDQb
@luisarnauth
14 May 2026
120 Impressions
0 Retweets
0 Likes
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