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  <id>https://vulnerability.circl.lu/sightings/feed</id>
  <title>Most recent sightings.</title>
  <updated>2026-05-28T02:24:14.457032+00:00</updated>
  <author>
    <name>Vulnerability-Lookup</name>
    <email>info@circl.lu</email>
  </author>
  <link href="https://vulnerability.circl.lu" rel="alternate"/>
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  <subtitle>Contains only the most 10 recent sightings.</subtitle>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/433513e7-424c-45e9-9b02-31c84a1826d2/export</id>
    <title>433513e7-424c-45e9-9b02-31c84a1826d2</title>
    <updated>2026-05-28T02:24:14.462988+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "433513e7-424c-45e9-9b02-31c84a1826d2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mmrcokbnpl2e", "content": "4/ \u26a0\ufe0f THREE active exploits right now: SharePoint CVE-2026-32201 (RCE, actively hit). Exchange CVE-2026-42897 (CISA deadline May 29). Fortinet FortiAuth CVE-2026-44277 (CVSS 9.1). Patch. All. Three.", "creation_timestamp": "2026-05-26T15:30:23.969626Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/433513e7-424c-45e9-9b02-31c84a1826d2/export"/>
    <published>2026-05-26T15:30:23.969626+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/9503db0b-569a-42f2-85e0-5736963b4899/export</id>
    <title>9503db0b-569a-42f2-85e0-5736963b4899</title>
    <updated>2026-05-28T02:24:14.462914+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "9503db0b-569a-42f2-85e0-5736963b4899", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mmrcokbnpm2e", "content": "4/ \u26a0\ufe0f THREE active exploits right now: SharePoint CVE-2026-32201 (RCE, actively hit). Exchange CVE-2026-42897 (CISA deadline May 29). Fortinet FortiAuth CVE-2026-44277 (CVSS 9.1). Patch. All. Three.", "creation_timestamp": "2026-05-26T15:30:25.104443Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/9503db0b-569a-42f2-85e0-5736963b4899/export"/>
    <published>2026-05-26T15:30:25.104443+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/77a955cd-3818-4fc0-9684-57cd76416476/export</id>
    <title>77a955cd-3818-4fc0-9684-57cd76416476</title>
    <updated>2026-05-28T02:24:14.462827+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "77a955cd-3818-4fc0-9684-57cd76416476", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mmrcokboou2e", "content": "4/ \u26a0\ufe0f THREE active exploits right now: SharePoint CVE-2026-32201 (RCE, actively hit). Exchange CVE-2026-42897 (CISA deadline May 29). Fortinet FortiAuth CVE-2026-44277 (CVSS 9.1). Patch. All. Three.", "creation_timestamp": "2026-05-26T15:30:25.986170Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/77a955cd-3818-4fc0-9684-57cd76416476/export"/>
    <published>2026-05-26T15:30:25.986170+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/50121423-eb30-4dff-acd4-2b99b45ee18e/export</id>
    <title>50121423-eb30-4dff-acd4-2b99b45ee18e</title>
    <updated>2026-05-28T02:24:14.462754+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "50121423-eb30-4dff-acd4-2b99b45ee18e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mmrcokboov2e", "content": "4/ \u26a0\ufe0f THREE active exploits right now: SharePoint CVE-2026-32201 (RCE, actively hit). Exchange CVE-2026-42897 (CISA deadline May 29). Fortinet FortiAuth CVE-2026-44277 (CVSS 9.1). Patch. All. Three.", "creation_timestamp": "2026-05-26T15:30:26.882698Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/50121423-eb30-4dff-acd4-2b99b45ee18e/export"/>
    <published>2026-05-26T15:30:26.882698+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/68e16e2b-8093-4d3a-ba3e-fb383f530102/export</id>
    <title>68e16e2b-8093-4d3a-ba3e-fb383f530102</title>
    <updated>2026-05-28T02:24:14.462677+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "68e16e2b-8093-4d3a-ba3e-fb383f530102", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mmrcokbpo52e", "content": "4/ \u26a0\ufe0f THREE active exploits right now: SharePoint CVE-2026-32201 (RCE, actively hit). Exchange CVE-2026-42897 (CISA deadline May 29). Fortinet FortiAuth CVE-2026-44277 (CVSS 9.1). Patch. All. Three.", "creation_timestamp": "2026-05-26T15:30:27.859573Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/68e16e2b-8093-4d3a-ba3e-fb383f530102/export"/>
    <published>2026-05-26T15:30:27.859573+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/8158bc8b-5426-4940-bddb-c284fcbb153c/export</id>
    <title>8158bc8b-5426-4940-bddb-c284fcbb153c</title>
    <updated>2026-05-28T02:24:14.462602+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "8158bc8b-5426-4940-bddb-c284fcbb153c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/sergioiker.bsky.social/post/3mmrcokbpo62e", "content": "4/ \u26a0\ufe0f THREE active exploits right now: SharePoint CVE-2026-32201 (RCE, actively hit). Exchange CVE-2026-42897 (CISA deadline May 29). Fortinet FortiAuth CVE-2026-44277 (CVSS 9.1). Patch. All. Three.", "creation_timestamp": "2026-05-26T15:30:28.733951Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/8158bc8b-5426-4940-bddb-c284fcbb153c/export"/>
    <published>2026-05-26T15:30:28.733951+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/2f3c871b-e244-4b6f-bbb8-0ee5c0700b3d/export</id>
    <title>2f3c871b-e244-4b6f-bbb8-0ee5c0700b3d</title>
    <updated>2026-05-28T02:24:14.462521+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "2f3c871b-e244-4b6f-bbb8-0ee5c0700b3d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/iberianm.bsky.social/post/3mmrrsxr72j2w", "content": "Microsoft Exchange (CVE-2026-42897) has a zero-day XSS that can let attackers compromise OWA mailboxes. For defenders: review OWA exposure and watch for odd mailbox actions.\n\nhttps://www.darkreading.com/vulnerabilities-threats/microsoft-exchange-zero-day-no-patch", "creation_timestamp": "2026-05-26T20:00:21.186644Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/2f3c871b-e244-4b6f-bbb8-0ee5c0700b3d/export"/>
    <published>2026-05-26T20:00:21.186644+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/05dba9ec-9b54-42ec-8783-d40cee4b16bd/export</id>
    <title>05dba9ec-9b54-42ec-8783-d40cee4b16bd</title>
    <updated>2026-05-28T02:24:14.462441+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "05dba9ec-9b54-42ec-8783-d40cee4b16bd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/pvynckier.bsky.social/post/3mmssvy5szc23", "content": "CVE-2026-42897, Microsoft publie une att\u00e9nuation d'urgence pour la faille XSS d'Exchange - IT SOCIAL itsocial.fr/cybersecurit...", "creation_timestamp": "2026-05-27T05:52:39.490764Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/05dba9ec-9b54-42ec-8783-d40cee4b16bd/export"/>
    <published>2026-05-27T05:52:39.490764+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/ced1de12-d2a4-447c-8270-34fc0907b8b9/export</id>
    <title>ced1de12-d2a4-447c-8270-34fc0907b8b9</title>
    <updated>2026-05-28T02:24:14.462345+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "ced1de12-d2a4-447c-8270-34fc0907b8b9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/diesec.bsky.social/post/3mmte3szsrg2d", "content": "Exchange Server zero-day (CVE-2026-42897): crafted email \u2192 OWA XSS \u2192 session token stolen.\u00a0\nActive exploitation confirmed.\nNo permanent patch.\n CISA deadline May 29.\nIf EM Service is disabled, you're unprotected right now.\n\nCheck EM Service status before Friday.\n\n#CyberSecurity", "creation_timestamp": "2026-05-27T11:00:05.860500Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/ced1de12-d2a4-447c-8270-34fc0907b8b9/export"/>
    <published>2026-05-27T11:00:05.860500+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/411ed968-4922-4c49-ab5b-6e85cfcaaf7a/export</id>
    <title>411ed968-4922-4c49-ab5b-6e85cfcaaf7a</title>
    <updated>2026-05-28T02:24:14.461278+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://cve.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "411ed968-4922-4c49-ab5b-6e85cfcaaf7a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42897", "type": "seen", "source": "https://bsky.app/profile/hakksaww.bsky.social/post/3mmuwmpbe5w2k", "content": "CISA Exchange CVE-2026-42897 federal deadline tomorrow. Three more crews hit this week: Marquis (400K), Brightspeed via Crimson Collective (1M+), Silent Ransom Group on law firms. All four in our STIX feed: https://analytics.dugganusa.com/stix/register", "creation_timestamp": "2026-05-28T02:04:22.648044Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/411ed968-4922-4c49-ab5b-6e85cfcaaf7a/export"/>
    <published>2026-05-28T02:04:22.648044+00:00</published>
  </entry>
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