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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2026-48579

Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.

CVSS 9.1 · CriticalBuzz score 21.9

Buzz score

Why this CVE is surfacing

Buzz score total 21.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 8.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
8.0
3 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first
  • Microsoft Patch Tuesday for June 2026 — Snort rules and prominent vulnerabilitiesCisco Talos

    tack. Talos highlights 4 critical vulnerabilities as Microsoft has determined that their exploitation is “more likely:” CVE-2026-42985 is a critical Remote Code Execution Vulnerability due to Heap-based buffer overflow in Remote Desktop Client which allows an unauthorized attacker to execute code over a network. CVE-2026-47291 is a critical Remote Code

    vendorblog.talosintelligence.comJun 9, 2026, 9:21 PM
  • The June 2026 Security Update ReviewZero Day Initiative

    loser look at some of the more interesting updates for this month, starting with the bug being exploited in the wild. - CVE-2026-41091 - Microsoft Defender Elevation of Privilege Vulnerability Since Microsoft doesn’t provide info on how widespread exploitation is, we must read some tea leaves. For this patch, several different people were acknowledged,

    vendorwww.thezdi.comJun 9, 2026, 6:12 PM
  • CVE-2026-48579 Microsoft Exchange Online Information Disclosure VulnerabilityMicrosoft MSRC

    Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.

    vendormsrc.microsoft.comJun 4, 2026, 2:00 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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