ctrlINT What the industry said about every indicator, with the quote

CVE-2026-42897Vulnerability

Microsoft Exchange Server Cross-Site Scripting Vulnerability

Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .

Reported by 4 independent sources · first reported by JPCERT/CC alerts · last reported

Last reported 27 days ago

CISA KEVAdded 15 May 2026
Fix due 29 May 2026
Used by ransomware: not knownCISA KEV catalogue
EPSS0.5%
higher than 43% of CVEsFIRST EPSS, as of 23 Oct 2026

What the reports say

4 reports, newest first · the exact sentence from each

  1. “…y vulnerability actively exploited in the wild, while Microsoft announced a patch for an actively exploited Exchange Server zero-day CVE-2026-42897 enabling cross-site scripting against Outlook Web Access users.”

    CERT-EUGovernment
    Cyber Brief 26-07 - June 2026

  2. “CVE-2026-42897”

    Recorded FutureVendor
    July 2026 CVE Landscape

  3. “The messages exploited CVE-2026-42897, a cross-site scripting flaw affecting on-premises Exchange Server, not Exchange Online.”

    Infosecurity MagazineNews
    Russian-Alligned TA488 Returns With Persistent Outlook Web Access Attack

  4. “CVE-2026-42897”

    JPCERT/CC alertsGovernment
    Security Alert: Microsoft Releases June 2026 Security Updates

Indicators reported together

named in the same reports

Also named with it: CVE-2025-49113, CVE-2026-33824, CVE-2024-42009, CVE-2026-15409, CVE-2026-15410, CVE-2026-25089, CVE-2026-39808, CVE-2026-11645, CVE-2026-28318, CVE-2026-20230, CVE-2025-55182, CVE-2018-0802, CVE-2026-50522, CVE-2026-58644, CVE-2025-3248, CVE-2008-4128, CVE-2017-17215, CVE-2021-4034, CVE-2021-27137, CVE-2023-4346

Thanks — we review every report.

Report a wrong value
What is wrong with CVE-2026-42897 here?
No account needed. We do not store your IP address.