{"id":"CVE-2026-87100","kind":"vulnerability","aliases":["CVE-2026-87100"],"related":[],"title":"Acronis Cyber Protect 17 Linux: missing binary hardening weakens protections","description":"Protection mechanism failure due to missing binary hardening in Linux executables. The following products are affected: Acronis Cyber Protect 17 (Linux) before build 42587.","summary":"Linux executables in Acronis Cyber Protect 17 are built without binary hardening, so a protection mechanism in the product can fail. The sources do not say what an attacker gains beyond weakened exploit mitigations.","severity":"low","cvss":3.6,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["acronis","endpoint-protection","linux","package"],"not_affected_if":["build-42587-or-later","windows-only"],"how_to_check":"- Check the installed Acronis Cyber Protect build number on Linux hosts against `42587`\n- Confirm the vendor's advisory for the exact affected executables: unknown","fix":"- Update Acronis Cyber Protect 17 (Linux) to build `42587` or later\n- Check the vendor advisory for any further steps: unknown","status":"open","published_at":"2026-10-28T11:17:27+00:00","first_seen_at":"2026-10-28T11:32:34+00:00","triaged_at":"2026-10-28T11:33:40+00:00","updated_at":"2026-10-28T11:33:40+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-10-28T11:33:40Z","model":"claude-haiku-5-5","output":{"fix":"- Update Acronis Cyber Protect 17 (Linux) to build `42587` or later\n- Check the vendor advisory for any further steps: unknown","reach":"unknown","title":"Acronis Cyber Protect 17 Linux: missing binary hardening weakens protections","impact":"low","summary":"Linux executables in Acronis Cyber Protect 17 are built without binary hardening, so a protection mechanism in the product can fail. The sources do not say what an attacker gains beyond weakened exploit mitigations.","category":"package","nicknames":[],"who_cares":["acronis","linux","endpoint-protection"],"confidence":0.5,"needs_auth":"unknown","worst_case":"unknown; weakened exploit mitigations in a protection agent","analyst_note":"","how_to_check":"- Check the installed Acronis Cyber Protect build number on Linux hosts against `42587`\n- Confirm the vendor's advisory for the exact affected executables: unknown","needs_analyst":false,"not_affected_if":["windows-only","build-42587-or-later"],"who_is_affected":"Teams running Acronis Cyber Protect 17 agents on Linux before build 42587 are affected. Systems without this product on Linux can skip it. The sources do not say whether a default configuration is exposed.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.00057,"input_tokens":3260,"output_tokens":487,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-87100':13A,16A '17':4A,29B,76C '42587':80C 'acroni':1A,17B,26B,73C 'affect':72C 'attack':51B 'beyond':53B 'binari':7A,33B,63C 'build':79C 'built':31B 'cve':11A,14A 'cyber':2A,27B,74C 'due':60C 'endpoint':19B 'endpoint-protect':18B 'execut':24B,67C 'exploit':55B 'fail':43B 'failur':59C 'follow':69C 'gain':52B 'harden':8A,34B,64C 'linux':5A,21B,23B,66C,77C 'mechan':38B,58C 'miss':6A,62C 'mitig':56B 'packag':22B 'product':41B,70C 'protect':3A,10A,20B,28B,37B,57C,75C 'say':48B 'sourc':45B 'weaken':9A,54B 'without':32B","nicknames":[],"mitigations":[],"who_affected":"Teams running Acronis Cyber Protect 17 agents on Linux before build 42587 are affected. Systems without this product on Linux can skip it. The sources do not say whether a default configuration is exposed.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-28T11:17:27+00:00","kev":null,"cvss_vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","cvss_by":"security@acronis.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-87100","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87100","severity":null,"published_at":"2026-10-28T11:17:27+00:00","modified_at":"2026-10-28T11:17:27+00:00","first_seen_at":"2026-10-28T11:32:34+00:00","fetched_at":"2026-10-28T11:32:34+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}