{"id":"CVE-2026-33972","kind":"vulnerability","aliases":["CVE-2026-33972"],"related":[],"title":"Samsung Exynos modem: out-of-bounds memory access in IMS stack","description":"In the Exynos modem's IMS stack, Out of Bound access occurs due to improper validation.","summary":"The Exynos modem's IMS (voice and messaging over LTE/5G) stack reads or writes memory outside its bounds because input is not properly validated. The sources do not say whether an attacker can run code or read data from this.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","exynos","infrastructure","modem","samsung"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-05T03:17:26+00:00","first_seen_at":"2026-11-05T03:31:43+00:00","triaged_at":"2026-11-05T03:33:51+00:00","updated_at":"2026-11-05T03:33:51+00:00","category":"infrastructure","confidence":0.3,"triage":{"at":"2026-11-05T03:33:51Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Samsung Exynos modem: out-of-bounds memory access in IMS stack","impact":"medium","summary":"The Exynos modem's IMS (voice and messaging over LTE/5G) stack reads or writes memory outside its bounds because input is not properly validated. The sources do not say whether an attacker can run code or read data from this.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["samsung","exynos","android","modem"],"confidence":0.3,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unknown; out-of-bounds access in modem code may allow memory corruption","analyst_note":"Find Samsung's security bulletin for the affected Exynos models and fixed patch level, and the CVSS score, at https://nvd.nist.gov/vuln/detail/CVE-2026-33972.","how_to_check":"- unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Phones and devices that use a Samsung Exynos modem with the IMS stack. The sources do not list affected models or versions, so unknown.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000638,"input_tokens":4143,"output_tokens":447,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-33972':15A,18A 'access':9A,72C 'android':19B 'attack':55B 'bound':7A,41B,71C 'code':58B 'cve':13A,16A 'data':61B 'due':74C 'exyno':2A,20B,25B,64C 'im':11A,28B,67C 'improp':76C 'infrastructur':21B 'input':43B 'lte/5g':33B 'memori':8A,38B 'messag':31B 'modem':3A,22B,26B,65C 'occur':73C 'out-of-bound':4A 'outsid':39B 'proper':46B 'read':35B,60B 'run':57B 'samsung':1A,23B 'say':52B 'sourc':49B 'stack':12A,34B,68C 'valid':47B,77C 'voic':29B 'whether':53B 'write':37B","nicknames":[],"mitigations":[],"who_affected":"Phones and devices that use a Samsung Exynos modem with the IMS stack. The sources do not list affected models or versions, so unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","exynos","infrastructure","modem","samsung","unknown"],"campaign_type":null,"first_public_at":"2026-11-05T03:17:26+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-33972","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33972","severity":null,"published_at":"2026-11-05T03:17:26+00:00","modified_at":"2026-11-05T03:17:26+00:00","first_seen_at":"2026-11-05T03:31:43+00:00","fetched_at":"2026-11-05T03:31:43+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}