#cve_2026_42897 — Public Fediverse posts

Cleaning Out Inboxes: TA488 Comes for Outlook with Another Half-Click Exploit
#TA488 #CVE_2026_42897 #OWAReaper
https://www.proofpoint.com/us/blog/threat-insight/cleaning-out-inboxes-ta488-comes-outlook-another-half-click-exploit

🚨 [CISA-2026:0515] CISA Adds One Known Exploited Vulnerability to Catalog (https://secdb.nttzen.cloud/security-advisory/detail/CISA-2026:0515)

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise.

⚠️ CVE-2026-42897 (https://secdb.nttzen.cloud/cve/detail/CVE-2026-42897)
- Name: Microsoft Exchange Server Cross-Site Scripting Vulnerability
- 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.
- Known To Be Used in Ransomware Campaigns? Unknown
- Vendor: Microsoft
- Product: Microsoft
- Notes: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-42897 ; https://learn.microsoft.com/en-us/exchange/plan-and-deploy/post-installation-tasks/security-best-practices/exchange-emergency-mitigation-service ; https://nvd.nist.gov/vuln/detail/CVE-2026-42897

#SecDB #InfoSec #CVE #CISA_KEV #cisa_20260515 #cisa20260515 #cve_2026_42897 #cve202642897

Addressing Exchange Server May 2026 vulnerability CVE-2026-42897
#CVE_2026_42897
https://techcommunity.microsoft.com/blog/exchange/addressing-exchange-server-may-2026-vulnerability-cve-2026-42897/4518498