{"id":"CVE-2026-83406","kind":"vulnerability","aliases":["CVE-2026-83406"],"related":[],"title":"Oracle Billing and Revenue Management: local admin takeover of Platform component","description":"Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications (component: Platform).  Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and  15.2.0.0.0. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Communications Billing and Revenue Management executes to compromise Oracle Communications Billing and Revenue Management.  Successful attacks of this vulnerability can result in takeover of Oracle Communications Billing and Revenue Management. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).","summary":"Oracle Communications Billing and Revenue Management Platform versions 15.0.0.0.0 through 15.2.0.0.0 contain a flaw that lets a highly privileged local user on the host take over the product. The CVSS vector shows local access, high privileges and no user interaction, with full confidentiality, integrity and availability impact.","severity":"medium","cvss":6.7,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["billing","on-prem","oracle-communications","vendor"],"not_affected_if":["no-untrusted-local-logons","product-not-installed"],"how_to_check":"- Confirm the installed Billing and Revenue Management Platform version against `15.0.0.0.0`, `15.0.1.0.0`, `15.1.0.0.0` and `15.2.0.0.0`\n- Check the Oracle Critical Patch Update advisory for the patch level that covers this CVE (unknown from the sources)","fix":"- Apply the Oracle Critical Patch Update fix for Billing and Revenue Management Platform (exact patched version unknown from the sources)\n- Restrict logon access to the hosts running the product until patched","status":"open","published_at":"2026-10-20T22:19:57+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","triaged_at":"2026-10-25T03:46:38+00:00","updated_at":"2026-10-25T03:46:38+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:46:38Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update fix for Billing and Revenue Management Platform (exact patched version unknown from the sources)\n- Restrict logon access to the hosts running the product until patched","reach":"local","title":"Oracle Billing and Revenue Management: local admin takeover of Platform component","impact":"high","summary":"Oracle Communications Billing and Revenue Management Platform versions 15.0.0.0.0 through 15.2.0.0.0 contain a flaw that lets a highly privileged local user on the host take over the product. The CVSS vector shows local access, high privileges and no user interaction, with full confidentiality, integrity and availability impact.","category":"vendor","nicknames":[],"who_cares":["oracle-communications","billing","on-prem"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker with privileged host logon takes over the billing product","analyst_note":"Find the Oracle CPU advisory entry for CVE-2026-83406 to get the patched version and any stated fix or workaround.","how_to_check":"- Confirm the installed Billing and Revenue Management Platform version against `15.0.0.0.0`, `15.0.1.0.0`, `15.1.0.0.0` and `15.2.0.0.0`\n- Check the Oracle Critical Patch Update advisory for the patch level that covers this CVE (unknown from the sources)","needs_analyst":true,"not_affected_if":["product-not-installed","no-untrusted-local-logons"],"who_is_affected":"Teams running Oracle Communications Billing and Revenue Management Platform 15.0 through 15.2 on servers where local accounts exist. The attack needs a highly privileged logon on the infrastructure the product runs on, so exposure depends on who holds those accounts. Teams not running this product can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000686,"input_tokens":3517,"output_tokens":669,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-83406':14A,17A '/av':157C '15.0.0.0.0':34B,94C '15.0.1.0.0':95C '15.1.0.0.0':96C '15.2.0.0.0':36B,98C '3.1':144C,156C '6.7':147C 'access':59B 'admin':7A 'affect':92C 'allow':102C 'attack':105C,128C 'avail':71B,151C 'base':145C 'bill':2A,18B,28B,78C,114C,123C,139C 'communic':24B,27B,77C,85C,113C,122C,138C 'compon':11A,86C 'compromis':120C 'confidenti':68B,148C 'contain':37B 'cve':12A,15A 'cvss':55B,143C,153C,155C 'easili':99C 'execut':118C 'exploit':100C 'flaw':39B 'full':67B 'h':165C 'h/a':164C 'h/i':163C 'h/ui':160C 'high':43B,60B,103C 'host':49B 'impact':72B,152C 'infrastructur':110C 'integr':69B,149C 'interact':65B 'l/ac':158C 'l/pr':159C 'let':41B 'local':6A,45B,58B 'logon':107C 'manag':5A,31B,81C,117C,126C,142C 'n/s':161C 'on-prem':19B 'oracl':1A,23B,26B,76C,84C,112C,121C,137C 'oracle-commun':22B 'platform':10A,32B,87C 'prem':21B 'privileg':44B,61B,104C 'product':53B,82C 'result':133C 'revenu':4A,30B,80C,116C,125C,141C 'score':146C 'show':57B 'success':127C 'support':88C 'take':50B 'takeov':8A,135C 'u/c':162C 'user':46B,64B 'vector':56B,154C 'vendor':25B 'version':33B,89C 'vulner':73C,101C,131C","nicknames":[],"mitigations":[],"who_affected":"Teams running Oracle Communications Billing and Revenue Management Platform 15.0 through 15.2 on servers where local accounts exist. The attack needs a highly privileged logon on the infrastructure the product runs on, so exposure depends on who holds those accounts. Teams not running this product can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:57+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-83406","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83406","severity":null,"published_at":"2026-10-20T22:19:57+00:00","modified_at":"2026-10-21T18:44:19+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","fetched_at":"2026-10-23T22:29:00+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"}