CVE-2026-20432
Modem out-of-bounds write enables remote privilege escalation via rogue base station.
Is CVE-2026-20432 being exploited?
Not confirmed. CVE-2026-20432 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 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-20432?
CVE-2026-20432 is rated High with a CVSS score of 8.0. 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-2026-20432?
Yes. A fix has been recorded for CVE-2026-20432. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-20432 affect?
CVE-2026-20432 affects Modem firmware, Baseband/UE. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-20432?
Apply patch MOLY01406170/MSV-4461 ASAP
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote privilege escalation via rogue base station; user must connect to attacker-controlled network.
Patch when possible
- affectedMT2735
- affectedMT2737
- affectedMT6779
- affectedMT6781
- affectedMT6783
- affectedMT6785
- affectedMT6789
- affectedMT6813
- affectedMT6815
- affectedMT6833
- affectedMT6835
- affectedMT6853
- affectedMT6855
- affectedMT6873
- affectedMT6875
- affectedMT6877
- affectedMT6878
- affectedMT6879
- affectedMT6880
- affectedMT6883
- affectedMT6885
- affectedMT6886
- affectedMT6889
- affectedMT6890
- affectedMT6891
- affectedMT6893
- affectedMT6895
- affectedMT6896
- affectedMT6897
- affectedMT6899
- affectedMT6980
- affectedMT6983
- affectedMT6985
- affectedMT6989
- affectedMT6990
- affectedMT6991
- affectedMT6993
- affectedMT8668
- affectedMT8673
- affectedMT8675
- affectedMT8676
- affectedMT8678
- affectedMT8755
- affectedMT8771
- affectedMT8775
- affectedMT8781
- affectedMT8789
- affectedMT8791
- affectedMT8791T
- affectedMT8792
- affectedMT8793
- affectedMT8795T
- affectedMT8797
- affectedMT8798
- affectedMT8863
- affectedMT8873
- affectedMT8883
- affectedMT8893
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.