CVE-2026-25180: microsoft 365_copilot Out-of-bounds Read
CVSS: 5.5v3.1MediumAnalyzed
Published 10-03-2026Last modified 19-06-2026
Vulnerability summary
CVE-2026-25180 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in microsoft 365_copilot. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.5% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.68%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-03-2026PublishedVulnerability first disclosed.
- 19-06-2026Last modifiedVulnerability information updated.
Description
Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose information locally.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.68%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
+0.02 pp
From 0.66% on 20-09-2026
20-09-202620-10-2026
EPSS score0.68%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft32 products
- 365_copilot< 16.0.19822.20000
- microsoft office for android≥ 16.0.1, < 16.0.19822.20000
- windows_10_1607< 10.0.14393.8957
- windows_10_1809< 10.0.17763.8511
- windows_10_21h2< 10.0.19044.7058
1 vendor · 32 products