Threats / Microsoft / CVE-2025-24990
CVE-2025-24990
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Microsoft Windows vulnerability
Microsoft Windows Agere Modem Driver contains an untrusted pointer dereference vulnerability enabling privilege escalation to administrator level.
Verdict
Today item — known-exploited.
A pointer dereference flaw in the Agere Modem Driver allows local attackers to escalate privileges. Active exploitation in the wild with low EPSS score suggests targeted rather than widespread attack patterns.
01
Is it exploitable?
— the evidence, ranked above the scoreExploit available
Public proof-of-concept exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
5 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-10-14).
Probability (EPSS)
EPSS 0.05793 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Microsoft, Windows. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-822 Untrusted Pointer Dereference — weakness family: Memory safety.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft malicious input that causes the driver to dereference an untrusted pointer under my control.
Business
An attacker gains administrator-level code execution on affected Windows systems, enabling full system compromise.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I leverage the resulting administrator access to install persistent malware, steal credentials, or move laterally across the network.
Business
Compromised systems become entry points for data theft, ransomware deployment, or espionage operations affecting business continuity and data security.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05