CVE-2026-77645

creationtimestamp| type| source ---|---|--- 2026-08-21 00:00:38+00:00| seen| https://infosec.exchange/users/offseq/statuses/117130555383881348 2026-08-21 00:00:39+00:00| seen| https://bsky.app/profile/offseq.bsky.social/post/3mtkhdtvlq32c 2026-08-21 00:07:23+00:00| seen|...

CVE-2026-77645

CVE-2026-77645 is a critical remote code execution (RCE) vulnerability in PTC Windchill and PTC FlexPLM , caused by deserialization of untrusted data . The CVSS 4.0 base score is 9.2 (CRITICAL) , with a network attack vector requiring no privileges and no user interaction . CISA's SSVC assessment...