CVE-2026-85436
Remote UDP buffer overflow in MOOS pMOOSBridge causing heap corruption and DoS.
Is CVE-2026-85436 being exploited?
Not confirmed. CVE-2026-85436 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.2% probability of exploitation in the next 30 days.
How severe is CVE-2026-85436?
CVE-2026-85436 is rated High. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-85436?
Yes. A fix has been recorded for CVE-2026-85436. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85436 affect?
CVE-2026-85436 affects MOOS (essential-moos) <= 10.0.1, pMOOSBridge / CMOOSUDPLink::ReadPktFromArray, Applications using MOOS UDPListen service. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85436?
Apply the upstream patch/update, block/unfilter MOOS UDPListen port until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attackers can send crafted UDP datagrams to the configured UDPListen port to trigger an oversized memcpy, causing heap corruption, remote DoS and possible code execution.
Patch when possible
- affected<= 10.0.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.