{"id":"CVE-2026-58722","kind":"vulnerability","aliases":["CVE-2026-58722"],"related":[],"title":"Android CHRE: heap overflow in discovery code allows remote privilege escalation","description":"In chppProcessDiscoverAllResponse of system/chre/chpp/clients/discovery.c, there is a possible Heap Buffer Overflow due to a logic error in the code. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"A logic error in the CHRE (Context Hub Runtime Environment) CHPP discovery client lets a heap buffer overflow occur when processing a discovery response. The description says an attacker can escalate privileges remotely without user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","chre","infrastructure"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:24+00:00","first_seen_at":"2026-11-10T20:46:09+00:00","triaged_at":"2026-11-10T20:51:56+00:00","updated_at":"2026-11-10T20:51:56+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:51:56Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Android CHRE: heap overflow in discovery code allows remote privilege escalation","impact":"high","summary":"A logic error in the CHRE (Context Hub Runtime Environment) CHPP discovery client lets a heap buffer overflow occur when processing a discovery response. The description says an attacker can escalate privileges remotely without user interaction.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","chre"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Attacker escalates privileges remotely through heap overflow in discovery","analyst_note":"Find affected Android versions and the patch level that fixes CVE-2026-58722 in the Android Security Bulletin; check the NVD entry for CVSS and reachability.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"The sources name only the CHRE CHPP discovery component in system/chre and do not list affected product versions or devices. unknown","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000667,"input_tokens":4561,"output_tokens":422,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-58722':14A,17A 'addit':86C 'allow':8A 'android':1A,18B 'attack':49B 'buffer':37B,66C 'chpp':31B 'chppprocessdiscoverallrespons':58C 'chre':2A,19B,26B 'client':33B 'code':7A,75C 'context':27B 'could':77C 'cve':12A,15A 'descript':46B 'discoveri':6A,32B,43B 'due':68C 'environ':30B 'error':23B,72C 'escal':11A,51B,81C 'execut':87C 'exploit':96C 'heap':3A,36B,65C 'hub':28B 'infrastructur':20B 'interact':56B,91C 'lead':78C 'let':34B 'logic':22B,71C 'need':89C,94C 'occur':39B 'overflow':4A,38B,67C 'possibl':64C 'privileg':10A,52B,83C,88C 'process':41B 'remot':9A,53B,80C 'respons':44B 'runtim':29B 'say':47B 'system/chre/chpp/clients/discovery.c':60C 'user':55B,90C 'without':54B","nicknames":[],"mitigations":[],"who_affected":"The sources name only the CHRE CHPP discovery component in system/chre and do not list affected product versions or devices. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","chre","infrastructure","unknown"],"campaign_type":null,"search_a":"'-2026':13A,16A '-58722':14A,17A 'allow':8A 'android':1A 'chre':2A 'code':7A 'cve':12A,15A 'discoveri':6A 'escal':11A 'heap':3A 'overflow':4A 'privileg':10A 'remot':9A","search_b":"'android':18B 'attack':49B 'buffer':37B 'chpp':31B 'chre':19B,26B 'client':33B 'context':27B 'descript':46B 'discoveri':32B,43B 'environ':30B 'error':23B 'escal':51B 'heap':36B 'hub':28B 'infrastructur':20B 'interact':56B 'let':34B 'logic':22B 'occur':39B 'overflow':38B 'privileg':52B 'process':41B 'remot':53B 'respons':44B 'runtim':29B 'say':47B 'user':55B 'without':54B","search_c":"'addit':86C 'buffer':66C 'chppprocessdiscoverallrespons':58C 'code':75C 'could':77C 'due':68C 'error':72C 'escal':81C 'execut':87C 'exploit':96C 'heap':65C 'interact':91C 'lead':78C 'logic':71C 'need':89C,94C 'overflow':67C 'possibl':64C 'privileg':83C,88C 'remot':80C 'system/chre/chpp/clients/discovery.c':60C 'user':90C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:24+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-58722","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58722","severity":null,"published_at":"2026-11-10T20:19:24+00:00","modified_at":"2026-11-10T20:19:24+00:00","first_seen_at":"2026-11-10T20:46:09+00:00","fetched_at":"2026-11-10T20:46:09+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}